Remove update_merge_request_worker_sticky feature flag

Changelog: other

app/workers/update_merge_requests_worker.rb

@@ -3,7 +3,7 @@
 class UpdateMergeRequestsWorker # rubocop:disable Scalability/IdempotentWorker
   include ApplicationWorker
 
-  data_consistency :sticky, feature_flag: :update_merge_request_worker_sticky
+  data_consistency :sticky
 
   sidekiq_options retry: 3
 

config/feature_flags/worker/update_merge_request_worker_sticky.yml

----
-name: update_merge_request_worker_sticky
-feature_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/403184
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/171352
-rollout_issue_url:
-milestone: '17.6'
-group: group::code review
-type: worker
-default_enabled: false