title: Skipping acquire of configured file '.. doesn't support architecture 'arm64'
body: <p>whenever I do <code>sudo apt-get update</code> this output appear</p>
  <pre><code>$ sudo apt-get update
  Hit:1 http://archive.raspberrypi.org/debian buster InRelease
  Hit:2 http://raspbian.raspberrypi.org/raspbian buster InRelease
  Reading package lists... Done
  N: Skipping acquire of configured file 'main/binary-arm64/Packages' as repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' doesn't support architecture 'arm64'
  N: Skipping acquire of configured file 'contrib/binary-arm64/Packages' as repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' doesn't support architecture 'arm64'
  N: Skipping acquire of configured file 'non-free/binary-arm64/Packages' as repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' doesn't support architecture 'arm64'
  N: Skipping acquire of configured file 'rpi/binary-arm64/Packages' as repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' doesn't support architecture 'arm64'
  </code></pre>
  <p>and it's so annoying that there are <code>&gt;N: Skipping acquire of configured file</code> line, although these line are not affect the performance, I mean I can still update or upgrade packages or even install packages without problem.</p>
  <p>so the question is, how can I remove those <code>&gt;N: Skipping acquire of configures file</code> message</p>