Fix VSMS.RemoveResources()
Fix VSMS.RemoveResources()

My previous work on the xmlgen code caused us to stop skipping VIRT_DEV_UNKNOWN
devices in the full-system XML generation case.  Since a delete operation just
marks devices as such, we should skip them.

Signed-off-by: Dan Smith <787803eb1755f35291827d0f0268aa9bc7a57464@us.ibm.com>

libvirt/libvirt-cim,libvirt/libvirt-cim,libvirt/libvirt-cim