Remove On-call Edit feature flag [RUN ALL RSPEC] [RUN AS-IF-FOSS]

changelogs/unreleased/revert-fe676e7b.yml

+---
+title: Remove On-call Edit feature flag
+merge_request: 56445
+author:
+type: other

ee/app/controllers/projects/incident_management/oncall_schedules_controller.rb

@@ -4,9 +4,6 @@ module Projects
   module IncidentManagement
     class OncallSchedulesController < Projects::ApplicationController
       before_action :authorize_read_incident_management_oncall_schedule!
-      before_action do
-        push_frontend_feature_flag(:oncall_schedules_mvc_edit_rotations, default_enabled: false)
-      end
 
       feature_category :incident_management
 

ee/config/feature_flags/development/oncall_schedules_mvc_edit_rotations.yml

----
-name: oncall_schedules_mvc_edit_rotations
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55243
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/283914
-milestone: '13.10'
-type: development
-group: group::monitor
-default_enabled: false