Remove group_level_integrations feature flag

After being enabled
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/44995, we can now
remove the feature flag.

app/controllers/admin/integrations_controller.rb

@@ -4,6 +4,8 @@ class Admin::IntegrationsController < Admin::ApplicationController
   include IntegrationsActions
   include ServicesHelper
 
+  before_action :not_found, unless: -> { instance_level_integrations? }
+
   feature_category :integrations
 
   private
@@ -12,10 +14,6 @@ class Admin::IntegrationsController < Admin::ApplicationController
     Service.find_or_initialize_non_project_specific_integration(name, instance: true)
   end
 
-  def integrations_enabled?
-    instance_level_integrations?
-  end
-
   def scoped_edit_integration_path(integration)
     edit_admin_application_settings_integration_path(integration)
   end

app/controllers/concerns/integrations_actions.rb

@@ -6,7 +6,6 @@ module IntegrationsActions
   included do
     include ServiceParams
 
-    before_action :not_found, unless: :integrations_enabled?
     before_action :integration, only: [:edit, :update, :test]
   end
 
@@ -51,10 +50,6 @@ module IntegrationsActions
 
   private
 
-  def integrations_enabled?
-    false
-  end
-
   def integration
     # Using instance variable `@service` still required as it's used in ServiceParams.
     # Should be removed once that is refactored to use `@integration`.

app/controllers/groups/settings/integrations_controller.rb

@@ -25,10 +25,6 @@ module Groups
         Service.find_or_initialize_non_project_specific_integration(name, group_id: group.id)
       end
 
-      def integrations_enabled?
-        Feature.enabled?(:group_level_integrations, group, default_enabled: true)
-      end
-
       def scoped_edit_integration_path(integration)
         edit_group_settings_integration_path(group, integration)
       end

app/helpers/services_helper.rb

@@ -122,10 +122,6 @@ module ServicesHelper
     false
   end
 
-  def group_level_integrations?
-    @group.present? && Feature.enabled?(:group_level_integrations, @group, default_enabled: true)
-  end
-
   def instance_level_integrations?
     !Gitlab.com?
   end

app/services/admin/propagate_integration_service.rb

@@ -7,7 +7,7 @@ module Admin
     def propagate
       if integration.instance?
         update_inherited_integrations
-        create_integration_for_groups_without_integration if Feature.enabled?(:group_level_integrations, default_enabled: true)
+        create_integration_for_groups_without_integration
         create_integration_for_projects_without_integration
       else
         update_inherited_descendant_integrations

app/services/groups/create_service.rb

@@ -34,7 +34,7 @@ module Groups
         if @group.save
           @group.add_owner(current_user)
           @group.create_namespace_settings
-          Service.create_from_active_default_integrations(@group, :group_id) if Feature.enabled?(:group_level_integrations, default_enabled: true)
+          Service.create_from_active_default_integrations(@group, :group_id)
         end
       end
 

app/views/layouts/nav/sidebar/_group.html.haml

@@ -159,7 +159,6 @@
                 %span
                   = _('General')
 
-            - if group_level_integrations?
             = nav_link(controller: :integrations) do
               = link_to group_settings_integrations_path(@group), title: _('Integrations') do
                 %span

config/feature_flags/development/group_level_integrations.yml

----
-name: group_level_integrations
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/27557
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/238575
-milestone: '12.10'
-type: development
-group: group::ecosystem
-default_enabled: true

spec/controllers/groups/settings/integrations_controller_spec.rb

@@ -24,16 +24,6 @@ RSpec.describe Groups::Settings::IntegrationsController do
         group.add_owner(user)
       end
 
-      context 'when group_level_integrations not enabled' do
-        it 'returns not_found' do
-          stub_feature_flags(group_level_integrations: false)
-
-          get :index, params: { group_id: group }
-
-          expect(response).to have_gitlab_http_status(:not_found)
-        end
-      end
-
       it 'successfully displays the template' do
         get :index, params: { group_id: group }
 
@@ -57,16 +47,6 @@ RSpec.describe Groups::Settings::IntegrationsController do
         group.add_owner(user)
       end
 
-      context 'when group_level_integrations not enabled' do
-        it 'returns not_found' do
-          stub_feature_flags(group_level_integrations: false)
-
-          get :edit, params: { group_id: group, id: Service.available_services_names(include_project_specific: false).sample }
-
-          expect(response).to have_gitlab_http_status(:not_found)
-        end
-      end
-
       Service.available_services_names(include_project_specific: false).each do |integration_name|
         context "#{integration_name}" do
           it 'successfully displays the template' do

spec/helpers/services_helper_spec.rb

@@ -28,38 +28,6 @@ RSpec.describe ServicesHelper do
     end
   end
 
-  describe '#group_level_integrations?' do
-    subject { helper.group_level_integrations? }
-
-    context 'when no group is present' do
-      it { is_expected.to eq(false) }
-    end
-
-    context 'when group is present' do
-      let(:group) { build_stubbed(:group) }
-
-      before do
-        assign(:group, group)
-      end
-
-      context 'when `group_level_integrations` is not enabled' do
-        it 'returns false' do
-          stub_feature_flags(group_level_integrations: false)
-
-          is_expected.to eq(false)
-        end
-      end
-
-      context 'when `group_level_integrations` is enabled for the group' do
-        it 'returns true' do
-          stub_feature_flags(group_level_integrations: group)
-
-          is_expected.to eq(true)
-        end
-      end
-    end
-  end
-
   describe '#scoped_reset_integration_path' do
     let(:integration) { build_stubbed(:jira_service) }
     let(:group) { nil }