Fix lint

app/soapbox/actions/admin.js

@@ -1,7 +1,6 @@
 import api from '../api';
 import { importFetchedAccount, importFetchedStatuses } from 'soapbox/actions/importer';
 import { fetchRelationships } from 'soapbox/actions/accounts';
-import { Set as ImmutableSet } from 'immutable';
 
 export const ADMIN_CONFIG_FETCH_REQUEST = 'ADMIN_CONFIG_FETCH_REQUEST';
 export const ADMIN_CONFIG_FETCH_SUCCESS = 'ADMIN_CONFIG_FETCH_SUCCESS';