'Remove all identities for a JID/node combination.
If a language is specified, only identities using that
language will be removed.
Arguments:
jid  -- The JID to modify.
node -- The node to modify.
lang -- Optional. If given, only remove identities
using this xml:lang value.'

def del_identities(self, jid=None, node=None, **kwargs):

    self.api['del_identities'](jid, node, None, kwargs)
