QmlDesigner: Remove refreshBindings for instance creation

Refresh bindings is very expensive and called anyway at reparenting.

Change-Id: I232afefee22484e3994ade31457f61ea6ee1293e
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp

@@ -126,7 +126,6 @@ QList<ServerNodeInstance>  NodeInstanceServer::createInstances(const QVector<Ins
 void NodeInstanceServer::createInstances(const CreateInstancesCommand &command)
 {
     createInstances(command.instances());
-    refreshBindings();
     startRenderTimer();
 }