[FEAT] Deletions on OFN

[enricostn]

I think we should finish the discussion started here first:

What to implement in terms of users/enterprises removal

@Augustin the problem is that if a user placed an order in OFN and wants to leave the platform we’ll have a whole lot of chained relationships tied to that. The order cannot be deleted for instance since other users (e.g. hub admins) will need that historical info. In any case would be impractical to remove everything tied to that user. At enterprise level would be even worst, so many relationships to take care of. The “deleted user” pattern I propose is not a painless one, just a practical ta…