Remove unnecessary code

Author: djhi

packages/ra-core/src/form/useUnique.stories.tsx

@@ -12,7 +12,6 @@ import {
     mergeTranslations,
     useUnique,
 } from '..';
-import { QueryClient } from 'react-query';
 
 export default {
     title: 'ra-core/form/useUnique',
@@ -79,7 +78,6 @@ const Wrapper = ({ children, dataProvider = defaultDataProvider }) => {
     return (
         <CoreAdminContext
             dataProvider={dataProvider}
-            queryClient={new QueryClient()}
             i18nProvider={i18nProvider}
         >
             <CreateBase resource="users">{children}</CreateBase>

packages/ra-core/src/form/useUnique.ts

@@ -110,7 +110,6 @@ export const useUnique = (options?: UseUniqueOptions) => {
                         });
                     }
                 } catch (error) {
-                    console.error(error);
                     return translate('ra.notification.http_error');
                 }