Remove unnecessary import

Author: tvdijen

resources/js/bundle/highlight.js

@@ -1,6 +1,6 @@
 'use strict';
 
-import "core-js";
+//import "core-js";
 import * as hljs from  "highlight.js/lib/core";
 import * as xml from "highlight.js/lib/languages/xml";
 import * as php from "highlight.js/lib/languages/php";