Move role dependencies in site.yml/site-docker.yml
Move role dependencies in site.yml/site-docker.yml

This will give us more flexibility and avoid a lot of useless when
skipping all tasks from a non-desired role.

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>

ceph/ansible-ceph-osd