libvirt-machine: Pass VIR_DOMAIN_UNDEFINE_NVRAM while undefining VM

See https://bugzilla.redhat.com/1817031
2 jobs for pass-nvram-to-undefine in 58 minutes and 7 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #641218
flatpak
flatpak

00:53:33

 
  Fedora
passed #641219
fedora:rawhide

00:04:33