fix lint err

src/client/js/components/Admin/SlackIntegration/WithProxyAccordions.jsx

@@ -6,7 +6,7 @@ import { CopyToClipboard } from 'react-copy-to-clipboard';
 import loggerFactory from '@alias/logger';
 
 import { withUnstatedContainers } from '../../UnstatedUtils';
-import { toastError, toastSuccess } from '../../../util/apiNotification';
+import { toastSuccess } from '../../../util/apiNotification';
 import AppContainer from '../../../services/AppContainer';
 import Accordion from '../Common/Accordion';