File _link of Package python3-libvirt-python

<link project="SUSE:SLE-15-SP4:GA" package="python-libvirt-python" baserev="81116bcd05671a7f7f190a15918fc499">
  <patches>
    <delete name="python-libvirt-python.changes"/>
    <delete name="python-libvirt-python.spec"/>
  </patches>
</link>