refactor(tests): remove unused FakeActionCableConsumer import

Remove the import of FakeActionCableConsumer from the resize-test.js file 
as it is not used. This cleans up the test code and avoids confusion 
about dependencies.

Author: rohitpaulk

tests/acceptance/course-page/test-results-bar/resize-test.js

@@ -1,4 +1,3 @@
-import FakeActionCableConsumer from 'codecrafters-frontend/tests/support/fake-action-cable-consumer';
 import catalogPage from 'codecrafters-frontend/tests/pages/catalog-page';
 import courseOverviewPage from 'codecrafters-frontend/tests/pages/course-overview-page';
 import coursePage from 'codecrafters-frontend/tests/pages/course-page';