toolMenuContainer defaults to gd if not provided.

- remove `gd` from makeMenu call in tabs.js
- pass `gd` back from callback of `makeMenu`

Author: alexander-daniel

test-dashboard/toolpanel-dashboard/ui.js

@@ -11,7 +11,6 @@ function createRemoveButton () {
     document.body.appendChild(removeButton);
 
     removeButton.onclick = function () {
-        debugger;
         divs[0].toolPanel.remove();
     };
 }