Switch cdio's default CDDB database to gnudb.gnudb.org:8880.
The freedb.org CD track database has been discontinued.
Retire cddb/888 from /etc/services. Nothing uses this any longer.
gnudb.org uses the "cddbp-alt" port of 8880, but we don't need a
services(5) entry for a single site.
ok deraadt@