VOL-1677 : Fixed callback issue

Change-Id: I72de46f1ed40fd97aafefdba2b3de34303f9946c
diff --git a/db/model/node.go b/db/model/node.go
index 9c450af..15ea04e 100644
--- a/db/model/node.go
+++ b/db/model/node.go
@@ -685,7 +685,6 @@
 
 				updatedRev := rev.UpdateChildren(name, children, branch)
 				changes := []ChangeTuple{{POST_ADD, nil, childRev.GetData()}}
-				childRev.GetNode().SetProxy(n.GetProxy())
 				childRev.SetupWatch(childRev.GetName())
 
 				n.makeLatest(branch, updatedRev, changes)