Merge branch 'remove-unused-file' into 'master'

Remove unused entry point

See merge request gitlab-org/gitlab!71049

ee/app/assets/javascripts/protected_branches/index.js

-/* eslint-disable no-unused-vars */
-
-import $ from 'jquery';
-import ProtectedBranchCreate from '~/protected_branches/protected_branch_create';
-import ProtectedBranchEditList from './protected_branch_edit_list';
-
-$(() => {
-  const protectedBranchCreate = new ProtectedBranchCreate({ hasLicense: true });
-  const protectedBranchEditList = new ProtectedBranchEditList();
-});