Remove unneeded cop excludes for Migration/AddConcurrentForeignKey

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db/migrate/20200226100624_requirements_add_project_fk.rb

@@ -7,7 +7,7 @@ class RequirementsAddProjectFk < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key(:requirements, :projects, column: :project_id, on_delete: :cascade) # rubocop: disable Migration/AddConcurrentForeignKey
+      add_foreign_key(:requirements, :projects, column: :project_id, on_delete: :cascade)
     end
   end
 

db/migrate/20200226100634_requirements_add_author_fk.rb

@@ -7,7 +7,7 @@ class RequirementsAddAuthorFk < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key(:requirements, :users, column: :author_id, on_delete: :nullify) # rubocop: disable Migration/AddConcurrentForeignKey
+      add_foreign_key(:requirements, :users, column: :author_id, on_delete: :nullify)
     end
   end
 

db/migrate/20200304121828_add_ci_sources_project_pipeline_foreign_key.rb

@@ -7,7 +7,7 @@ class AddCiSourcesProjectPipelineForeignKey < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :ci_sources_projects, :ci_pipelines, column: :pipeline_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :ci_sources_projects, :ci_pipelines, column: :pipeline_id, on_delete: :cascade
     end
   end
 

db/migrate/20200304121844_add_ci_sources_project_source_project_foreign_key.rb

@@ -7,7 +7,7 @@ class AddCiSourcesProjectSourceProjectForeignKey < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :ci_sources_projects, :projects, column: :source_project_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :ci_sources_projects, :projects, column: :source_project_id, on_delete: :cascade
     end
   end
 

db/migrate/20200316173312_add_vulnerability_export_project_foreign_key.rb

@@ -7,7 +7,7 @@ class AddVulnerabilityExportProjectForeignKey < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :vulnerability_exports, :projects, column: :project_id, on_delete: :cascade, index: false # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :vulnerability_exports, :projects, column: :project_id, on_delete: :cascade, index: false
     end
   end
 

db/migrate/20200317142110_add_vulnerability_export_user_foreign_key.rb

@@ -7,7 +7,7 @@ class AddVulnerabilityExportUserForeignKey < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :vulnerability_exports, :users, column: :author_id, on_delete: :cascade, index: false # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :vulnerability_exports, :users, column: :author_id, on_delete: :cascade, index: false
     end
   end
 

db/migrate/20200326124443_add_projects_fk_to_jira_imports_table.rb

@@ -7,7 +7,7 @@ class AddProjectsFkToJiraImportsTable < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :jira_imports, :projects, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :jira_imports, :projects, on_delete: :cascade
     end
   end
 

db/migrate/20200326134443_add_users_fk_to_jira_imports_table.rb

@@ -7,7 +7,7 @@ class AddUsersFkToJiraImportsTable < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :jira_imports, :users, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :jira_imports, :users, on_delete: :nullify
     end
   end
 

db/migrate/20200326144443_add_labels_fk_to_jira_imports_table.rb

@@ -7,7 +7,7 @@ class AddLabelsFkToJiraImportsTable < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :jira_imports, :labels, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :jira_imports, :labels, on_delete: :nullify
     end
   end
 

db/migrate/20200416120354_add_locked_by_user_id_foreign_key_to_terraform_state.rb

@@ -7,7 +7,7 @@ class AddLockedByUserIdForeignKeyToTerraformState < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :terraform_states, :users, column: :locked_by_user_id # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :terraform_states, :users, column: :locked_by_user_id
     end
   end
 

db/migrate/20200423075720_add_user_id_foreign_key_to_resource_state_events.rb

@@ -7,7 +7,7 @@ class AddUserIdForeignKeyToResourceStateEvents < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :resource_state_events, :users, column: :user_id, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :resource_state_events, :users, column: :user_id, on_delete: :nullify
     end
   end
 

db/migrate/20200423080334_add_issue_id_foreign_key_to_resource_state_events.rb

@@ -7,7 +7,7 @@ class AddIssueIdForeignKeyToResourceStateEvents < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :resource_state_events, :issues, column: :issue_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :resource_state_events, :issues, column: :issue_id, on_delete: :cascade
     end
   end
 

db/migrate/20200423080607_add_merge_request_id_foreign_key_to_resource_state_events.rb

@@ -7,7 +7,7 @@ class AddMergeRequestIdForeignKeyToResourceStateEvents < ActiveRecord::Migration
 
   def up
     with_lock_retries do
-      add_foreign_key :resource_state_events, :merge_requests, column: :merge_request_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :resource_state_events, :merge_requests, column: :merge_request_id, on_delete: :cascade
     end
   end
 

db/migrate/20200429015603_add_fk_to_project_repository_storage_moves.rb

@@ -7,7 +7,7 @@ class AddFkToProjectRepositoryStorageMoves < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :project_repository_storage_moves, :projects, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :project_repository_storage_moves, :projects, on_delete: :cascade
     end
   end
 

db/migrate/20200510183128_add_foreign_key_from_webauthn_registrations_to_users.rb

@@ -9,7 +9,7 @@ class AddForeignKeyFromWebauthnRegistrationsToUsers < ActiveRecord::Migration[6.
 
   def up
     with_lock_retries do
-      add_foreign_key :webauthn_registrations, :users, column: :user_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :webauthn_registrations, :users, column: :user_id, on_delete: :cascade
     end
   end
 

db/migrate/20200511092505_add_foreign_key_to_epic_id_on_resource_state_events.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToEpicIdOnResourceStateEvents < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :resource_state_events, :epics, column: :epic_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :resource_state_events, :epics, column: :epic_id, on_delete: :cascade
     end
   end
 

db/migrate/20200511121549_add_group_wiki_repositories_shard_id_foreign_key.rb

@@ -7,7 +7,7 @@ class AddGroupWikiRepositoriesShardIdForeignKey < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :group_wiki_repositories, :shards, on_delete: :restrict # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :group_wiki_repositories, :shards, on_delete: :restrict
     end
   end
 

db/migrate/20200511121610_add_group_wiki_repositories_group_id_foreign_key.rb

@@ -7,7 +7,7 @@ class AddGroupWikiRepositoriesGroupIdForeignKey < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :group_wiki_repositories, :namespaces, column: :group_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :group_wiki_repositories, :namespaces, column: :group_id, on_delete: :cascade
     end
   end
 

db/migrate/20200511191027_add_author_foreign_key_to_test_reports.rb

@@ -7,7 +7,7 @@ class AddAuthorForeignKeyToTestReports < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :requirements_management_test_reports, :users, column: :author_id, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :requirements_management_test_reports, :users, column: :author_id, on_delete: :nullify
     end
   end
 

db/migrate/20200511208012_add_pipeline_foreign_key_to_test_reports.rb

@@ -7,7 +7,7 @@ class AddPipelineForeignKeyToTestReports < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :requirements_management_test_reports, :ci_pipelines, column: :pipeline_id, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :requirements_management_test_reports, :ci_pipelines, column: :pipeline_id, on_delete: :nullify
     end
   end
 

db/migrate/20200521225337_add_foreign_key_to_user_id_on_alert_management_alert_assignees.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToUserIdOnAlertManagementAlertAssignees < ActiveRecord::Migra
 
   def up
     with_lock_retries do
-      add_foreign_key :alert_management_alert_assignees, :users, column: :user_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :alert_management_alert_assignees, :users, column: :user_id, on_delete: :cascade
     end
   end
 

db/migrate/20200521225346_add_foreign_key_to_alert_id_on_alert_mangagement_alert_assignees.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToAlertIdOnAlertMangagementAlertAssignees < ActiveRecord::Mig
 
   def up
     with_lock_retries do
-      add_foreign_key :alert_management_alert_assignees, :alert_management_alerts, column: :alert_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :alert_management_alert_assignees, :alert_management_alerts, column: :alert_id, on_delete: :cascade
     end
   end
 

db/migrate/20200526164947_add_foreign_key_to_ops_feature_flags_issues.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToOpsFeatureFlagsIssues < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :operations_feature_flags_issues, :issues, column: :issue_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :operations_feature_flags_issues, :issues, column: :issue_id, on_delete: :cascade
     end
   end
 

db/migrate/20200527135313_add_requirements_build_reference.rb

@@ -11,7 +11,7 @@ class AddRequirementsBuildReference < ActiveRecord::Migration[6.0]
     add_index :requirements_management_test_reports, :build_id, name: INDEX_NAME # rubocop:disable Migration/AddIndex
 
     with_lock_retries do
-      add_foreign_key :requirements_management_test_reports, :ci_builds, column: :build_id, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :requirements_management_test_reports, :ci_builds, column: :build_id, on_delete: :nullify
     end
   end
 

db/migrate/20200527152116_add_foreign_key_to_build_id_on_build_report_results.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToBuildIdOnBuildReportResults < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :ci_build_report_results, :ci_builds, column: :build_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :ci_build_report_results, :ci_builds, column: :build_id, on_delete: :cascade
     end
   end
 

db/migrate/20200527152657_add_foreign_key_to_project_id_on_build_report_results.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToProjectIdOnBuildReportResults < ActiveRecord::Migration[6.0
 
   def up
     with_lock_retries do
-      add_foreign_key :ci_build_report_results, :projects, column: :project_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :ci_build_report_results, :projects, column: :project_id, on_delete: :cascade
     end
   end
 

db/migrate/20200604174544_add_users_foreign_key_to_board_user_preferences.rb

@@ -7,7 +7,7 @@ class AddUsersForeignKeyToBoardUserPreferences < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :board_user_preferences, :users, column: :user_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :board_user_preferences, :users, column: :user_id, on_delete: :cascade
     end
   end
 

db/migrate/20200604174558_add_boards_foreign_key_to_board_user_preferences.rb

@@ -7,7 +7,7 @@ class AddBoardsForeignKeyToBoardUserPreferences < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :board_user_preferences, :boards, column: :board_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :board_user_preferences, :boards, column: :board_id, on_delete: :cascade
     end
   end
 

db/migrate/20200605003204_add_foreign_key_to_alert_management_alert_user_mentions.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToAlertManagementAlertUserMentions < ActiveRecord::Migration[
 
   def up
     with_lock_retries do
-      add_foreign_key :alert_management_alert_user_mentions, :notes, column: :note_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :alert_management_alert_user_mentions, :notes, column: :note_id, on_delete: :cascade
     end
   end
 

db/migrate/20200623073431_add_source_merge_request_id_to_resource_state_events.rb

@@ -20,7 +20,7 @@ class AddSourceMergeRequestIdToResourceStateEvents < ActiveRecord::Migration[6.0
 
     unless foreign_key_exists?(:resource_state_events, :merge_requests, column: :source_merge_request_id)
       with_lock_retries do
-        add_foreign_key :resource_state_events, :merge_requests, column: :source_merge_request_id, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+        add_foreign_key :resource_state_events, :merge_requests, column: :source_merge_request_id, on_delete: :nullify
       end
     end
   end

db/migrate/20200722132040_add_users_fk_to_resource_iteration_events_table.rb

@@ -7,7 +7,7 @@ class AddUsersFkToResourceIterationEventsTable < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :resource_iteration_events, :users, column: :user_id, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :resource_iteration_events, :users, column: :user_id, on_delete: :nullify
     end
   end
 

db/migrate/20200722132540_add_issues_fk_to_resource_iteration_events_table.rb

@@ -7,7 +7,7 @@ class AddIssuesFkToResourceIterationEventsTable < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :resource_iteration_events, :issues, column: :issue_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :resource_iteration_events, :issues, column: :issue_id, on_delete: :cascade
     end
   end
 

db/migrate/20200722133040_add_merge_requests_fk_to_resource_iteration_events_table.rb

@@ -7,7 +7,7 @@ class AddMergeRequestsFkToResourceIterationEventsTable < ActiveRecord::Migration
 
   def up
     with_lock_retries do
-      add_foreign_key :resource_iteration_events, :merge_requests, column: :merge_request_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :resource_iteration_events, :merge_requests, column: :merge_request_id, on_delete: :cascade
     end
   end
 

db/migrate/20200722133540_add_iterations_fk_to_resource_iteration_events_table.rb

@@ -7,7 +7,7 @@ class AddIterationsFkToResourceIterationEventsTable < ActiveRecord::Migration[6.
 
   def up
     with_lock_retries do
-      add_foreign_key :resource_iteration_events, :sprints, column: :iteration_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :resource_iteration_events, :sprints, column: :iteration_id, on_delete: :cascade
     end
   end
 

db/migrate/20200731201408_add_foreign_key_to_experiment_on_experiment_users.rb

@@ -8,7 +8,7 @@ class AddForeignKeyToExperimentOnExperimentUsers < ActiveRecord::Migration[6.0]
   def up
     with_lock_retries do
       # There is no need to use add_concurrent_foreign_key since it's an empty table
-      add_foreign_key :experiment_users, :experiments, column: :experiment_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :experiment_users, :experiments, column: :experiment_id, on_delete: :cascade
     end
   end
 

db/migrate/20200731201834_add_foreign_key_to_user_on_experiment_users.rb

@@ -8,7 +8,7 @@ class AddForeignKeyToUserOnExperimentUsers < ActiveRecord::Migration[6.0]
   def up
     with_lock_retries do
       # There is no need to use add_concurrent_foreign_key since it's an empty table
-      add_foreign_key :experiment_users, :users, column: :user_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :experiment_users, :users, column: :user_id, on_delete: :cascade
     end
   end
 

db/migrate/20200805151001_add_foreign_key_to_pipeline_id_on_pipeline_artifact.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToPipelineIdOnPipelineArtifact < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :ci_pipeline_artifacts, :ci_pipelines, column: :pipeline_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :ci_pipeline_artifacts, :ci_pipelines, column: :pipeline_id, on_delete: :cascade
     end
   end
 

db/migrate/20200805151726_add_foreign_key_to_project_id_on_pipeline_artifact.rb

@@ -7,7 +7,7 @@ class AddForeignKeyToProjectIdOnPipelineArtifact < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :ci_pipeline_artifacts, :projects, column: :project_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :ci_pipeline_artifacts, :projects, column: :project_id, on_delete: :cascade
     end
   end
 

db/migrate/20200825081035_boards_epic_user_preferences_fk_board.rb

@@ -7,7 +7,7 @@ class BoardsEpicUserPreferencesFkBoard < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :boards_epic_user_preferences, :boards, column: :board_id, on_delete: :cascade # rubocop: disable Migration/AddConcurrentForeignKey
+      add_foreign_key :boards_epic_user_preferences, :boards, column: :board_id, on_delete: :cascade
     end
   end
 

db/migrate/20200825081045_boards_epic_user_preferences_fk_user.rb

@@ -7,7 +7,7 @@ class BoardsEpicUserPreferencesFkUser < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :boards_epic_user_preferences, :users, column: :user_id, on_delete: :cascade # rubocop: disable Migration/AddConcurrentForeignKey
+      add_foreign_key :boards_epic_user_preferences, :users, column: :user_id, on_delete: :cascade
     end
   end
 

db/migrate/20200825081055_boards_epic_user_preferences_fk_epic.rb

@@ -7,7 +7,7 @@ class BoardsEpicUserPreferencesFkEpic < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :boards_epic_user_preferences, :epics, column: :epic_id, on_delete: :cascade # rubocop: disable Migration/AddConcurrentForeignKey
+      add_foreign_key :boards_epic_user_preferences, :epics, column: :epic_id, on_delete: :cascade
     end
   end
 

db/migrate/20200827060911_add_merge_request_foreign_key_to_merge_request_reviewers.rb

@@ -10,7 +10,7 @@ class AddMergeRequestForeignKeyToMergeRequestReviewers < ActiveRecord::Migration
 
   def up
     with_lock_retries do
-      add_foreign_key :merge_request_reviewers, :merge_requests, column: :merge_request_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :merge_request_reviewers, :merge_requests, column: :merge_request_id, on_delete: :cascade
     end
   end
 

db/migrate/20200827060932_add_user_foreign_key_to_merge_request_reviewers.rb

@@ -10,7 +10,7 @@ class AddUserForeignKeyToMergeRequestReviewers < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :merge_request_reviewers, :users, column: :user_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :merge_request_reviewers, :users, column: :user_id, on_delete: :cascade
     end
   end
 

db/migrate/20200828155134_add_foreign_key_on_scan_id_to_security_scans.rb

@@ -7,7 +7,7 @@ class AddForeignKeyOnScanIdToSecurityScans < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :security_findings, :security_scans, column: :scan_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :security_findings, :security_scans, column: :scan_id, on_delete: :cascade
     end
   end
 

db/migrate/20200828155205_add_foreign_key_on_scanner_id_to_vulnerability_scanners.rb

@@ -7,7 +7,7 @@ class AddForeignKeyOnScannerIdToVulnerabilityScanners < ActiveRecord::Migration[
 
   def up
     with_lock_retries do
-      add_foreign_key :security_findings, :vulnerability_scanners, column: :scanner_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :security_findings, :vulnerability_scanners, column: :scanner_id, on_delete: :cascade
     end
   end
 

db/migrate/20200911121027_add_pages_deployment_project_foreign_key.rb

@@ -7,7 +7,7 @@ class AddPagesDeploymentProjectForeignKey < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :pages_deployments, :projects, column: :project_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :pages_deployments, :projects, column: :project_id, on_delete: :cascade
     end
   end
 

db/migrate/20200911121048_add_pages_deployment_ci_build_foreign_key.rb

@@ -7,7 +7,7 @@ class AddPagesDeploymentCiBuildForeignKey < ActiveRecord::Migration[6.0]
 
   def up
     with_lock_retries do
-      add_foreign_key :pages_deployments, :ci_builds, column: :ci_build_id, on_delete: :nullify # rubocop:disable Migration/AddConcurrentForeignKey
+      add_foreign_key :pages_deployments, :ci_builds, column: :ci_build_id, on_delete: :nullify
     end
   end
 

db/post_migrate/20200810191256_remove_pipeline_id_from_test_reports.rb

@@ -13,9 +13,7 @@ class RemovePipelineIdFromTestReports < ActiveRecord::Migration[6.0]
     add_column :requirements_management_test_reports, :pipeline_id, :integer
 
     with_lock_retries do
-      # rubocop:disable Migration/AddConcurrentForeignKey
       add_foreign_key :requirements_management_test_reports, :ci_pipelines, column: :pipeline_id, on_delete: :nullify
-      # rubocop:enable Migration/AddConcurrentForeignKey
     end
   end
 end

doc/development/migration_style_guide.md

@@ -300,7 +300,7 @@ include Gitlab::Database::MigrationHelpers
 
 def up
   with_lock_retries do
-    add_foreign_key :imports, :projects, column: :project_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+    add_foreign_key :imports, :projects, column: :project_id, on_delete: :cascade
   end
 end
 
@@ -318,7 +318,7 @@ include Gitlab::Database::MigrationHelpers
 
 def up
   with_lock_retries do
-    add_foreign_key :imports, :users, column: :user_id, on_delete: :cascade # rubocop:disable Migration/AddConcurrentForeignKey
+    add_foreign_key :imports, :users, column: :user_id, on_delete: :cascade
   end
 end