Fix lint error

ui/admin/tests/acceptance/managed-groups/delete-test.js

@@ -1,5 +1,5 @@
 import { module, test } from 'qunit';
-import { visit, currentURL, click, find, fillIn } from '@ember/test-helpers';
+import { visit, click, find } from '@ember/test-helpers';
 import { setupApplicationTest } from 'ember-qunit';
 import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
 import { authenticateSession } from 'ember-simple-auth/test-support';