File _link of Package python-acme

<link project="devel:languages:python:certbot" package="python-acme" rev="cc1e21905002248006b7eed111cb6c61" vrev="57" baserev="cc1e21905002248006b7eed111cb6c61">
  <patches>
    <delete name="acme-1.5.0.tar.gz"/>
    <delete name="acme-1.5.0.tar.gz.asc"/>
    <delete name="python-acme.keyring"/>
    <apply name="project.diff"/>
  </patches>
</link>