Merge branch...

Merge branch '34638-remove-ignoring-of-merge_requests_require_code_owner_approval-column-on-projects' into 'master'

Resolve "Remove ignoring of `merge_requests_require_code_owner_approval` column on projects"

See merge request gitlab-org/gitlab!22197

app/models/project.rb

@@ -63,10 +63,6 @@ class Project < ApplicationRecord
 
   cache_markdown_field :description, pipeline: :description
 
-  # TODO: remove once GitLab 12.5 is released
-  # https://gitlab.com/gitlab-org/gitlab/issues/34638
-  ignore_column :merge_requests_require_code_owner_approval, remove_after: '2019-12-01', remove_with: '12.6'
-
   default_value_for :archived, false
   default_value_for :resolve_outdated_diff_discussions, false
   default_value_for :container_registry_enabled, gitlab_config_features.container_registry