This reverts part of commit 32123f6bb2.
A simple directive is a much lighter solution to the same problem, and
automatically follows the specified User. I copied the 0770 modes from
the corresponding init scripts; they could use a little documentation.
Signed-off-by: Ferenc Wágner <wferi@debian.org>
Reviewed-by: Jan Friesse <jfriesse@redhat.com>