liquidsoap is marked for autoremoval from testing

[Debian testing autoremoval watch]

liquidsoap 1.4.2-1 is marked for autoremoval from testing on 2020-08-10

It (build-)depends on packages with these RC bugs:
911166: gtksourceview2: Do not release with Bullseye
964026: apt-cudf: libelogind0: `Provides: libsystemd0` causes unrelated 
packages to fail to build (unmet dependencies)