remove DLOG

src/operators/feed_op.h

@@ -35,7 +35,6 @@ class FeedOp : public framework::OperatorBase<DeviceType> {
     auto out_dims = param_.Out()->dims();
     out_dims[0] = param_.BatchSize();
     param_.Out()->Resize(out_dims);
-    DLOG << "feed_op output dims size" << out_dims.size();
 
     //  note : mobile infershape iscalled when executer is created.  so  do not
     //  pass lod here .