Add Account Deletion

[bloomexperiment (Tracey)]

@kDE

In anyway just anonymizing the account is not enough. It probably keeps the E-Mail, IP addresses etc. which is probably illegal in most cases.

For info on that:

@eviltrout

Their email, name, date of birth and avatar will be removed. Their password will be replaced with a secure, random password.

@eviltrout

IP History

Discourse will retain the user’s IP addresses in our logs associated with the anonymous user. However, there is a new mechanism to clear those out too available to developers.