With the removal of Windows CE support(52623d6d) the logic of these
checks have changed, as it was always true for non Windows CE builds
before.
This did not affect WinRT, as those mkspecs define VCPROJ_ARCH
explicitly in their qmake.conf.
Task-number: QTBUG-55753
Change-Id: Ie2eddf197c17fcbf7343b444cfe8940a332a545c
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>