Merge branch 'remove-cached-mr-title-ff' into 'master'

Remove cached_mr_title feature flag

See merge request gitlab-org/gitlab!74228

app/views/projects/merge_requests/_mr_title.html.haml

@@ -4,7 +4,7 @@
 - are_close_and_open_buttons_hidden = merge_request_button_hidden?(@merge_request, true) && merge_request_button_hidden?(@merge_request, false)
 - cache_key = [@project, @merge_request, can_update_merge_request, can_reopen_merge_request, are_close_and_open_buttons_hidden]
 
-= cache_if(Feature.enabled?(:cached_mr_title, @project, default_enabled: :yaml), cache_key, expires_in: 1.day) do
+= cache(cache_key, expires_in: 1.day) do
   - if @merge_request.closed_or_merged_without_fork?
     .gl-alert.gl-alert-danger.gl-mb-5
       .gl-alert-container

config/feature_flags/development/cached_mr_title.yml

----
-name: cached_mr_title
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/61605
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/330907
-milestone: '13.12'
-type: development
-group: group::source code
-default_enabled: false