'Delete an alert policy using the CLC API.
:param alias : the account alias
:param policy_id: the alert policy id
:return: response dictionary from the CLC API.'

def _delete_alert_policy(self, alias, policy_id):

    try:
        result = self.clc.v2.API.Call('DELETE', ('/v2/alertPolicies/%s/%s' % (alias, policy_id)), None)
    except APIFailedResponse as e:
        return self.module.fail_json(msg='Unable    to    delete    alert    policy    id    "{0}".    {1}'.format(policy_id, str(e.response_text)))
    return result
