Remove merge_red_head_comments_position_on_demand FF

app/controllers/projects/merge_requests/diffs_controller.rb

@@ -176,7 +176,6 @@ class Projects::MergeRequests::DiffsController < Projects::MergeRequests::Applic
   end
 
   def update_diff_discussion_positions!
-    return unless Feature.enabled?(:merge_red_head_comments_position_on_demand, @merge_request.target_project, default_enabled: true)
     return if @merge_request.has_any_diff_note_positions?
 
     Discussions::CaptureDiffNotePositionsService.new(@merge_request).execute

config/feature_flags/development/merge_red_head_comments_position_on_demand.yml

----
-name: merge_red_head_comments_position_on_demand
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/34148
-rollout_issue_url: 
-milestone: '13.1'
-type: development
-group: group::source code
-default_enabled: true