Fix Gitlab/DelegatePredicateMethods offenses

Changelog: other
EE: true

.rubocop_todo/gitlab/delegate_predicate_methods.yml

@@ -9,7 +9,6 @@ Gitlab/DelegatePredicateMethods:
   - app/models/concerns/resolvable_discussion.rb
   - app/models/project.rb
   - ee/app/models/concerns/ee/ci/metadatable.rb
-  - ee/app/models/ee/group.rb
   - ee/app/models/ee/namespace.rb
   - ee/app/models/license.rb
   - lib/gitlab/ci/trace/stream.rb

ee/app/models/ee/group.rb

@@ -56,8 +56,7 @@ module EE
 
       has_one :deletion_schedule, class_name: 'GroupDeletionSchedule'
       delegate :deleting_user, :marked_for_deletion_on, to: :deletion_schedule, allow_nil: true
-      delegate :enforced_group_managed_accounts?, :enforced_sso?, to: :saml_provider, allow_nil: true
-      delegate :repository_read_only, :repository_read_only?, to: :namespace_settings, allow_nil: true
+      delegate :repository_read_only, to: :namespace_settings, allow_nil: true
 
       has_one :group_wiki_repository
       has_many :repository_storage_moves, class_name: 'Groups::RepositoryStorageMove', inverse_of: :container
@@ -163,6 +162,18 @@ module EE
           group.save
         end
       end
+
+      def enforced_group_managed_accounts?
+        !!saml_provider&.enforced_group_managed_accounts?
+      end
+
+      def enforced_sso?
+        !!saml_provider&.enforced_sso?
+      end
+
+      def repository_read_only?
+        !!namespace_settings&.repository_read_only?
+      end
     end
 
     class_methods do