Pull request #1835: DEC-17584 fix: 无意义的populate调用

Merge in VISUAL/fineui from ~DAILER/fineui:master to master

* commit 'aeabef308cfc0fe9efeb7541b90fb0281cb65c28':
  DEC-17584 fix: 无意义的populate调用

src/widget/singletree/singletree.trigger.js

@@ -52,10 +52,9 @@ BI.SingleTreeTrigger = BI.inherit(BI.Trigger, {
     },
 
     populate: function (items) {
-        BI.SingleTreeTrigger.superclass.populate.apply(this, arguments);
         this.trigger.populate(items);
     }
 
 });
 
-BI.shortcut("bi.single_tree_trigger", BI.SingleTreeTrigger);
+BI.shortcut("bi.single_tree_trigger", BI.SingleTreeTrigger);