public void removeOutcast(JID jid) {
        removeAffiliation(jid, NodeAffiliate.Affiliation.outcast);
    }
Removes the banning to subscribe to the node for the specified entity.

@param jid the JID of the user that is no longer an outcast.
xmppserver/src/main/java/org/jivesoftware/openfire/pubsub/Node.java