This directory is currently only used for unix-domain sockets but they are created by systemd with the socket unit and therefore this line is redundant and maybe even causes problems.
We want the sockets to live even when the service is down (either because of error or intentional suspension) and it seems that setting the RuntimeDirectory to the directories that contain the sockets makes systemd remove both directories and unlink the sockets when the service fails and that is exactly what we don't want.
osbuild-composer now uses socket activation instead of hardcoded paths
in the code. osbuild-worker is an http client therefore it uses only
service unit. osbuild-worker must be started after the socket is
created. osbuild-composer service requires osbuild-worker to run, because without
it no jobs can be started.
osbuild-composer is executed as a regular user (newly created
_osbuild-composer user) as opposed to the worker which must run as root
in order to execute osbuild itself
