Remove ff_group_membership_export flag

This feature has been globally enabled for 2 milestones
and can safely be removed.

Changelog: added
EE: true

doc/user/group/index.md

@@ -531,10 +531,8 @@ API requests to add a new user to a project are not possible.
 
 ## Export members as CSV **(PREMIUM)**
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/287940) in GitLab 14.2.
-
-FLAG:
-On self-managed GitLab, by default this feature is available. To hide the feature per group, ask an administrator to [disable the :ff_group_membership_export flag](../../administration/feature_flags.md). On GitLab.com, this feature is available.
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/287940) in GitLab 14.2.
+> - [Feature flag removed](https://gitlab.com/gitlab-org/gitlab/-/issues/336520) in GitLab 14.5.
 
 You can export a list of members in a group as a CSV.
 

ee/app/policies/ee/group_policy.rb

@@ -57,7 +57,7 @@ module EE
       end
 
       condition(:group_membership_export_available) do
-        @subject.feature_available?(:export_user_permissions) && ::Feature.enabled?(:ff_group_membership_export, @subject, default_enabled: :yaml)
+        @subject.feature_available?(:export_user_permissions)
       end
 
       condition(:can_owners_manage_ldap, scope: :global) do

ee/config/feature_flags/development/ff_group_membership_export.yml

----
-name: ff_group_membership_export
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/66755
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/336520
-milestone: '14.2'
-type: development
-group: group::compliance
-default_enabled: true

ee/spec/controllers/groups/group_members_controller_spec.rb

@@ -276,23 +276,9 @@ RSpec.describe Groups::GroupMembersController do
   end
 
   describe 'GET #export_csv' do
-    context 'when flag is disabled' do
-      before do
-        stub_licensed_features(export_user_permissions: true)
-        stub_feature_flags(ff_group_membership_export: false)
-      end
-
-      it 'responds with :not_found' do
-        get :export_csv, params: { group_id: group.id }
-
-        expect(response).to have_gitlab_http_status(:not_found)
-      end
-    end
-
     context 'when feature is unlicensed' do
       before do
         stub_licensed_features(export_user_permissions: false)
-        stub_feature_flags(ff_group_membership_export: true)
       end
 
       it 'responds with :not_found' do
@@ -302,10 +288,9 @@ RSpec.describe Groups::GroupMembersController do
       end
     end
 
-    context 'when feature is licensed and enabled' do
+    context 'when feature is licensed' do
       before do
         stub_licensed_features(export_user_permissions: true)
-        stub_feature_flags(ff_group_membership_export: true)
       end
 
       it 'enqueues a worker job' do

ee/spec/policies/group_policy_spec.rb

@@ -229,19 +229,10 @@ RSpec.describe GroupPolicy do
     context 'when exporting user permissions is available' do
       before do
         stub_licensed_features(export_user_permissions: true)
-        stub_feature_flags(ff_group_membership_export: true)
       end
 
       it { is_expected.to be_allowed(:export_group_memberships) }
     end
-
-    context 'when feature flag is disabled' do
-      before do
-        stub_feature_flags(ff_group_membership_export: false)
-      end
-
-      it { is_expected.not_to be_allowed(:export_group_memberships) }
-    end
   end
 
   context 'when group activity analytics is available' do

ee/spec/services/groups/memberships/export_service_spec.rb

@@ -21,25 +21,14 @@ RSpec.describe Groups::Memberships::ExportService do
     context 'when unlicensed' do
       before do
         stub_licensed_features(export_user_permissions: false)
-        stub_feature_flags(ff_group_membership_export: true)
       end
 
       it_behaves_like 'not available'
     end
 
-    context 'when disabled' do
+    context 'when licensed' do
       before do
         stub_licensed_features(export_user_permissions: true)
-        stub_feature_flags(ff_group_membership_export: false)
-      end
-
-      it_behaves_like 'not available'
-    end
-
-    context 'when licensed and enabled' do
-      before do
-        stub_licensed_features(export_user_permissions: true)
-        stub_feature_flags(ff_group_membership_export: true)
         group.add_user(current_user, Gitlab::Access::OWNER)
       end
 

ee/spec/workers/groups/export_memberships_worker_spec.rb

@@ -8,7 +8,6 @@ RSpec.describe Groups::ExportMembershipsWorker do
 
   before do
     stub_licensed_features(export_user_permissions: true)
-    stub_feature_flags(ff_group_membership_export: true)
     group.add_owner(user)
   end