tests: drop redundant virQEMUCapsFilterByMachineType
tests: drop redundant virQEMUCapsFilterByMachineType

Introduced by commit <af204232>.

Made redundant by commit 1e9a083 which switched to using
qemuProcessCreatePretendCmd, where capabilities are filtered
in qemuProcessInit after being fetched from the cache.

Signed-off-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

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