* doc/guix.texi (Networking Services): Remove mention of lsh-service.
Document lsh-service-type and lsh-service-configuration.
* gnu/services/ssh.scm (<lsh-configuration>): Set default values based
on the now deprecated 'lsh-service' procedure.
(lsh-service-type): Set default value.
(lsh-service): Deprecate procedure.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
0e21015fd2