Broken download links

[Steve MacGregor]

Files linked to from the following mirrors appear to be unavailable:
http://mirror.ourdelta.org/deb/dists/lenny/mariadb-ourdelta/
http://cc.us.mirror.ourdelta.org/deb/dists/lenny/mariadb-ourdelta/

Similarly, apt complains:
Failed to fetch http://mirror.ourdelta.org/deb/pool/lenny/mariadb-ourdelta/mysql-common_5.1.42-mariadb68_all.deb 404 Not Found [IP: 81.29.64.226 80]
Failed to fetch http://mirror.ourdelta.org/deb/pool/lenny/mariadb-ourdelta/libmysqlclient16_5.1.42-mariadb68_i386.deb 404 Not Found [IP: 81.29.64.226 80]
Failed to fetch http://mirror.ourdelta.org/deb/pool/lenny/mariadb-ourdelta/libmariadbclient16_5.1.42-mariadb68_i386.deb 404 Not Found [IP: 81.29.64.226 80]
Failed to fetch http://mirror.ourdelta.org/deb/pool/lenny/mariadb-ourdelta/mariadb-client-5.1_5.1.42-mariadb68_i386.deb 404 Not Found [IP: 81.29.64.226 80]
Failed to fetch http://mirror.ourdelta.org/deb/pool/lenny/mariadb-ourdelta/mariadb-server-5.1_5.1.42-mariadb68_i386.deb 404 Not Found [IP: 81.29.64.226 80]
Failed to fetch http://mirror.ourdelta.org/deb/pool/lenny/mariadb-ourdelta/mariadb-server_5.1.42-mariadb68_all.deb 404 Not Found [IP: 81.29.64.226 80]