fix: remove unnecessary USB proxy for audio client

Selecting the output and input device in the AudioVM using a GUI audio
manager such as Pavucontrol or Easyeffects to the connected USB device
is enough to make audio work. USB audio devices should not be connected
to audio clients.

salt/sys-audio/install-client.sls

@@ -8,9 +8,6 @@ SPDX-License-Identifier: AGPL-3.0-or-later
 
 include:
   - utils.tools.common.update
-  ## TODO: video-companion covers camera, what about external USB speakers/mic?
-  ## qubes-usb-proxy: external USB microphone and speakers
-  - sys-usb.install-client-proxy
 
 "{{ slsdotpath }}-client-installed":
   pkg.installed: