util: Drop VIR_HOST_CPU_MASK_LEN
util: Drop VIR_HOST_CPU_MASK_LEN

Unused since commit c67e04e25fa5.

Signed-off-by: Andrea Bolognani <3ada0bee826c753786fdbba72243dfba997094cf@redhat.com>

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