[server] Drop condition on "3.10" migration in repo.init_sources_from_database() We'll duplicate the code of this method in forthcoming changeset so clean it up a bit of old stuff.

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances