test: removing unused import

Author: rpenido

src/library-authoring/import-course/ImportedCourseCard.test.tsx

@@ -4,7 +4,6 @@ import {
   initializeMocks,
   render as testRender,
   screen,
-  waitFor,
 } from '@src/testUtils';
 
 import { LibraryProvider } from '../common/context/LibraryContext';