tests: qemuxml2argv: Remove useless GIC flags
tests: qemuxml2argv: Remove useless GIC flags

DO_TEST_FAILURE() doesn't take a GIC version, but the GIC flag
was passed anyway. Get rid of all such occurrences.

olafhering/libvirt,taget/libvirt,jardasgit/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,eskultety/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,datto/libvirt,libvirt/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,libvirt/libvirt,libvirt/libvirt,jardasgit/libvirt,olafhering/libvirt,libvirt/libvirt,crobinso/libvirt,VenkatDatta/libvirt,zippy2/libvirt,taget/libvirt,andreabolognani/libvirt,jfehlig/libvirt,datto/libvirt,zippy2/libvirt,crobinso/libvirt,olafhering/libvirt,VenkatDatta/libvirt,crobinso/libvirt,olafhering/libvirt,eskultety/libvirt,fabianfreyer/libvirt,eskultety/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,datto/libvirt,nertpinx/libvirt,jfehlig/libvirt,nertpinx/libvirt,taget/libvirt,eskultety/libvirt,zippy2/libvirt,nertpinx/libvirt,nertpinx/libvirt,andreabolognani/libvirt,eskultety/libvirt,taget/libvirt,jfehlig/libvirt,andreabolognani/libvirt,taget/libvirt,datto/libvirt,jardasgit/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,zippy2/libvirt,datto/libvirt,crobinso/libvirt,VenkatDatta/libvirt