Stop rendering languages twice on initial display

The resultHandler is responsible for updating the `LanguageCategoryDisplay`, so we should not call `render` separately in `search` when there is no search query.

https://phabricator.wikimedia.org/T185086

src/jquery.uls.languagefilter.js

@@ -186,7 +186,6 @@
 
 			if ( query === '' ) {
 				this.options.lcd.setGroupByRegionOverride( null );
-				languages.map( this.render.bind( this ) );
 				this.resultHandler( query, languages );
 				return;
 			}