Remove use of qWinMsgHandler.
Remove use of qWinMsgHandler.

This is no longer required, nor does it build, as it had been removed.

Change-Id: I38f16b9627ddc4606cc9fac0e5e99686c4a26b2d
Reviewed-by: David Faure <86a8c136eda381b2295095fae2f365917f1ca4ea@kde.org>
Reviewed-by: Friedemann Kleint <1b9f2592239daaec4856ccc1cfb4d2d55b35fb71@nokia.com>

kobolabs/qtactiveqt,xsens/qtactiveqt,xsens/qtactiveqt,kobolabs/qtactiveqt