Remove currentLanguage from translation_notification (#17733)

Author: JasonEtco

includes/header-notification.html

@@ -40,7 +40,6 @@
 
 {% if translation_notification_type %}
   <div class="header-notifications text-center f5 bg-blue-1 text-gray-dark py-4 px-6 translation_notice{% if release_notification_type %} border-bottom border-black-fade{% endif %}">
-    {{ currentLanguage }}
     {{ translation_notification }}
   </div>
 {% endif %}