Undo last commit that breaks tests...

Author: stefalda

lib/utils.js

@@ -7,12 +7,6 @@ exports.getInterfaceLanguage = getInterfaceLanguage;
 exports.validateTranslationKeys = validateTranslationKeys;
 function getInterfaceLanguage() {
   var defaultLang = 'en-US';
-
-  // Check if it's running on server side
-  if (typeof window === 'undefined') {
-    return defaultLang;
-  }
-
   if (!!navigator && !!navigator.language) {
     return navigator.language;
   } else if (!!navigator && !!navigator.languages && !!navigator.languages[0]) {