Drop patches

build-let-xgettext-see-strings-in-libvirt-guests.patch - fixed upstream http://libvirt.org/git/?p=libvirt.git;a=commit;h=7f193757efe572e0a8427e400fc8108bad50c8a9
libvirt-guests-remove-bashisms.patch - fixed upstream http://libvirt.org/git/?p=libvirt.git;a=commit;h=a9e31a476948bfcf27a2cca1ffa78d6a1b4b939c