qrc_ files are generally not meant to be included, so there is not much
point in doing this.
qprintsupport was a notable exception - which broke on mac and thus
needed a hack. just remove the qrc_ inclusion.

Change-Id: If5115665f331a280869e800673bf7b81d3ab559a
Reviewed-by: Joerg Bornemann <joerg.bornemann@nokia.com>