Remove skip_epic_count_visibility_check flag

ee/app/finders/epics_finder.rb

@@ -203,7 +203,7 @@ class EpicsFinder < IssuableFinder
   end
 
   def can_read_all_epics_in_related_groups?(groups)
-    return true if skip_visibility_check?
+    return true if @skip_visibility_check
     return false unless current_user
 
     # If a user is a member of a group, he also inherits access to all subgroups,
@@ -220,10 +220,6 @@ class EpicsFinder < IssuableFinder
     Ability.allowed?(current_user, :read_confidential_epic, parent)
   end
 
-  def skip_visibility_check?
-    @skip_visibility_check && Feature.enabled?(:skip_epic_count_visibility_check, group, default_enabled: true)
-  end
-
   def by_confidential(items)
     return items if params[:confidential].nil?
 

ee/spec/finders/epics_finder_spec.rb

@@ -338,16 +338,6 @@ RSpec.describe EpicsFinder do
             it 'returns all epics' do
               expect(subject).to match_array([base_epic1, base_epic2, private_epic1, private_epic2, public_epic1, public_epic2])
             end
-
-            context 'when skip_epic_count_visibility_check is disabled' do
-              before do
-                stub_feature_flags(skip_epic_count_visibility_check: false)
-              end
-
-              it 'returns only public epics' do
-                expect(subject).to match_array([base_epic2, public_epic1])
-              end
-            end
           end
 
           context 'when user is member of ancestor group' do