XEP-0133's "Delete User" should use jid-multi

Description

https://xmpp.org/extensions/xep-0133.html#delete-user describes an ad-hoc command that is used to delete users. Our current implementation allows for just one user to be deleted, while the XEP defines that multiple JIDs should be allowed.

Environment

None
Fixed

Assignee

Dave Cridland

Reporter

Guus der Kinderen

Labels

None

Expected Effort

None

Ignite Forum URL

None

Fix versions

Priority

Minor
Configure