editor: remove double 'close' menu entry

vispa/extensions/codeeditor/static/js/view.js

@@ -66,13 +66,6 @@ define([
         callback: function() {
           self.updateInfo.start();
         }
-      }).addMenuEntry("close", {
-        label: "Close",
-        iconClass: "glyphicon glyphicon-off",
-        buttonClass: "btn-danger",
-          callback: function() {
-            self.close();
-          }
       });
   
       this.editor      = new Editor(this);