Packman repository seems gone

[jarome]

http://ftp.gwdg.de/pub/linux/packman/suse/openSUSE_Leap_42.1/ is no longer there.
As referenced on https://en.opensuse.org/Additional_package_repositories

[techno2055]

See : https://forums.opensuse.org/showthread.php/519534-Packman-down-repodata-repomd-xml-not-found-on-medium