<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def run(self, *args):
 """Remove unique identities or identities from the registry. By default, it removes the unique identity identified by <identifier>. To remove an identity, set <identity> parameter. """

        params = self.parser.parse_args(args)

        identifier = params.identifier
        identity = params.identity

        code = self.remove(identifier, identity)

        return code