Replace $( document ).ready(...) by $(...)

In jQuery 3 $(document).ready(...) is deprecated.
https://jquery.com/upgrade-guide/3.0/#deprecated-document-ready-handlers-other-than-jquery-function

Change-Id: I1a9f578d8cf8fa2d9dd38a1b2d3a0b3c32914b74

resources/js/ext.uls.compactlinks.js

@@ -506,7 +506,7 @@
 	if ( document.readyState === 'interactive' ) {
 		createCompactList();
 	} else {
-		$( document ).ready( createCompactList );
+		$( createCompactList );
 	}
 
 }( jQuery, mediaWiki ) );