Since account locking and suspension are authentication API agnostic,
this is a pre-requisite to adding the new OAuth 2.0-based API.
This also splits the endpoints that where all included in the
registration OpenAPI data, to separate them cleanly in the spec, and
avoid having deactivation show before registration.
Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>
