Use an empty array instead of the uls-p-lang-dummy list item (JS)

This change is the JavaScript part of change
I54a18f5bd85a8261a25e1160dda7a33fbdf3dd7b.

This change should get deployed when the HTML caches of change
I54a18f5bd85a8261a25e1160dda7a33fbdf3dd7b has expired.

Change-Id: Id7f429d9d1217316341102e27389711525f17b2d

resources/js/ext.uls.interface.js

@@ -319,8 +319,6 @@
 			$pLang.prepend( $ulsTrigger );
 			// Take care of any other elements with this class.
 			$ulsTrigger = $( '.uls-settings-trigger' );
-			// Remove the dummy link, which was added to make sure that the section appears
-			$pLang.find( '.uls-p-lang-dummy' ).remove();
 
 			if ( !$pLang.find( 'div ul' ).children().length ) {
 				// Replace the title of the interlanguage links area