Remove unnecessary vars

Author: Marcel Gerber

src/extensions/default/DebugCommands/main.js

@@ -187,10 +187,7 @@ define(function (require, exports, module) {
                 });
                 // sort the languages via their display name
                 languages.sort(function (lang1, lang2) {
-                    var langName1 = lang1.label,
-                        langName2 = lang2.label;
-
-                    return langName1.localeCompare(langName2);
+                    return lang1.label.localeCompare(lang2.label);
                 });
 
                 // add system default and english (those should be on the very top)