File _link of Package python3-sip6

<link project="SUSE:SLE-15-SP4:GA" package="python-sip6" baserev="1ba4f8de047ba299c9e42f42c7f14340">
  <patches>
    <delete name="python-sip6.changes"/>
    <delete name="python-sip6.spec"/>
  </patches>
</link>