'Delete a firewall policy.
:param policy: Policy to delete to.
:type policy: :class:`.CloudSigmaFirewallPolicy`
:return: ``True`` on success, ``False`` otherwise.
:rtype: ``bool``'

def ex_delete_firewall_policy(self, policy):

    action = ('/fwpolicies/%s/' % policy.id)
    response = self.connection.request(action=action, method='DELETE')
    return (response.status == httplib.NO_CONTENT)
