Make suggested change for create_response

lib/pleroma/web/api_spec/operations/app_operation.ex

@@ -23,7 +23,7 @@ def create_operation do
       operationId: "AppController.create",
       requestBody: Helpers.request_body("Parameters", create_request(), required: true),
       responses: %{
-        200 => create_response(),
+        200 => Operation.response("App", "application/json", App),
         422 =>
           Operation.response(
             "Unprocessable Entity",
@@ -120,8 +120,4 @@ defp create_request do
       }
     }
   end
-
-  defp create_response do
-    Operation.response("App", "application/json", App)
-  end
 end