Fix JS style from lint, remove import to deleted extension

app/assets/javascripts/main.js

@@ -146,7 +146,6 @@ import './subscription';
 import './subscription_select';
 import './syntax_highlight';
 
-
 // EE-only scripts
 import './admin_email_select';
 import './application_settings';

spec/javascripts/filtered_search/filtered_search_token_keys_issues_ee_spec.js

-import '~/extensions/array';
 import '~/filtered_search/filtered_search_token_keys_issues_ee';
 
 (() => {