xdm.conf: Remove lightdm, now has its own .conf
# Here we use XDM since it has few dependencies (relatively speaking).
# It is also an example of a service without a -- description.
-# service [3] /usr/sbin/lightdm -- X-Window Display Manager
# service [3] /usr/sbin/lxdm -- Lightweight Login Manager
service [3] /usr/bin/xdm -nodaemon
