QmakeProject: Don't deny deployment to not precisely known targets
QmakeProject: Don't deny deployment to not precisely known targets

Fall back to what we do for Windows/Linux/BSD and the rest of
Unix anyway.

The target architecture/os detection process is conceptually
not precise. Refusing to do anything at all, including steps like
copying files which do not depend on precise architecture data
anyway, is overshooting.

Change-Id: Ic6c98c4dac5fe4a625149be558c8b02440f8fdbc
Reviewed-by: Christian Kandeler <3aa99dcdd3f0cac61fb81c2a11771c0cc2497607@digia.com>

kuba1/qtcreator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,xianian/qt-creator,farseerri/git_code,danimo/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,farseerri/git_code,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,xianian/qt-creator,danimo/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,farseerri/git_code,kuba1/qtcreator,xianian/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,xianian/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,danimo/qt-creator,xianian/qt-creator,xianian/qt-creator,farseerri/git_code,farseerri/git_code,danimo/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,danimo/qt-creator,danimo/qt-creator,danimo/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,xianian/qt-creator,Distrotech/qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code