File _link of Package python3-pexpect

<link project="SUSE:SLE-15-SP4:GA" package="python-pexpect" baserev="da52e2bfa7b22795571c662e70ebd5f8">
  <patches>
    <delete name="python-pexpect.changes"/>
    <delete name="python-pexpect.spec"/>
  </patches>
</link>