Do not set the QT_CREATOR macro for the QML puppet.

It's not Qt Creator. And otherwise the build breaks with a namespaced
Qt.

Change-Id: Ib30ef86fbc59a02f6fd60d2f0b0b8f4ab452ef6d
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

share/qtcreator/qml/qmlpuppet/qml2puppet/qml2puppet.pri

@@ -19,6 +19,7 @@ QT += core-private qml-private quick-private gui-private script-private
 }
 
 DEFINES += QWEAKPOINTER_ENABLE_ARROW
+DEFINES -= QT_CREATOR
 
 include (../instances/instances.pri)
 include (instances/instances.pri)