hiding french/english switch

Author: ddooley

lib/toolbar.html

@@ -244,7 +244,7 @@
     </div>
   </div> -->
 
-  <div class="btn-group" role="group" style="margin-right: 40px">
+  <div class="btn-group" role="group" style="margin-right: 40px; display:none">
     <div class="input-group-prepend">
       <div class="btn" id="translation_label" data-i18n="translation_label">
         Language