We usually don't care, but here the existence of socket
is public API to a certain degree and signals availability
of the service (userdbd in particular, oomd is checked in
core-varlink.c). Hence let's be more careful and remove them
if stopped.
[Socket]
ListenStream=/run/systemd/oom/io.systemd.ManagedOOM
SocketMode=0666
+RemoveOnStop=yes
[Install]
WantedBy=sockets.target
ListenStream=/run/systemd/userdb/io.systemd.Multiplexer
Symlinks=/run/systemd/userdb/io.systemd.NameServiceSwitch /run/systemd/userdb/io.systemd.DropIn
SocketMode=0666
+RemoveOnStop=yes
[Install]
WantedBy=sockets.target