Ensure delete returns empty error

Otherwise it might return a dataset.

Author: johha

app/actions/app_delete.rb

@@ -52,6 +52,8 @@ def delete(apps, record_event: true)
         end
         logger.info("Deleted app: #{app.guid}")
       end
+
+      []
     end
 
     def delete_without_event(apps)

app/actions/organization_delete.rb

@@ -35,6 +35,8 @@ def delete(org_dataset)
           Repositories::OrganizationEventRepository.new.record_organization_delete_request(org, @user_audit_info, { recursive: true })
         end
       end
+
+      []
     end
 
     def timeout_error(dataset)

app/actions/space_delete.rb

@@ -30,6 +30,8 @@ def delete(dataset)
           Repositories::SpaceEventRepository.new.record_space_delete_request(space_model, @user_audit_info, true)
         end
       end
+
+      []
     end
 
     def timeout_error(dataset)

app/actions/v2/organization_delete.rb

@@ -21,6 +21,7 @@ def delete(org_dataset)
             org.destroy
           end
         end
+        []
       end
 
       def timeout_error(dataset)