File _link of Package ffmpeg-5

<link project="multimedia:libs" package="ffmpeg-5" baserev="c8b57775b0a8eb087752d3645b786ecc">
  <patches>
    <delete name="_multibuild"/>
    <delete name="ffmpeg-5.1.4.tar.xz"/>
    <delete name="ffmpeg-5.1.4.tar.xz.asc"/>
    <apply name="project.diff"/>
  </patches>
</link>