Make RecalculateProjectAuthorizations background migration no-op

changelogs/unreleased/if-remove_recalculate_project_auth_migration.yml

+---
+title: Make RecalculateProjectAuthorizations background migration no-op
+merge_request: 60825
+author:
+type: other

lib/gitlab/background_migration/recalculate_project_authorizations.rb

@@ -5,37 +5,7 @@ module Gitlab
     # rubocop:disable Style/Documentation
     class RecalculateProjectAuthorizations
       def perform(user_ids)
-        user_ids.each do |user_id|
-          user = User.find_by(id: user_id)
-
-          next unless user
-
-          service = Users::RefreshAuthorizedProjectsService.new(
-            user,
-            incorrect_auth_found_callback:
-              ->(project_id, access_level) do
-                logger.info(message: 'Removing ProjectAuthorizations',
-                            user_id: user.id,
-                            project_id: project_id,
-                            access_level: access_level)
-              end,
-            missing_auth_found_callback:
-              ->(project_id, access_level) do
-                logger.info(message: 'Creating ProjectAuthorizations',
-                            user_id: user.id,
-                            project_id: project_id,
-                            access_level: access_level)
-              end
-          )
-
-          service.execute
-        end
-      end
-
-      private
-
-      def logger
-        @logger ||= Gitlab::BackgroundMigration::Logger.build
+        # no-op
       end
     end
   end