community/audacious-plugins: remove libguess from makedepends
commit eac7214ae4df429f7b4035e9b21c85d63efa23d2
Author: Ariadne Conill <ariadne@dereferenced.org>
Date: Sun Mar 22 08:55:30 2020 +0000
community/libguess: move to unmaintained
Audacious no longer uses libguess, but instead a stripped down
internal fork of the libguess engine.