'Delete the anti affinity policy of the CLC server
:param clc: the clc-sdk instance to use
:param module: the AnsibleModule object
:param acct_alias: the CLC account alias
:param server_id: the CLC server id
:return: result: The result from the CLC API call'

@staticmethod
def _delete_aa_policy(clc, module, acct_alias, server_id):

    result = None
    if (not module.check_mode):
        try:
            result = clc.v2.API.Call('DELETE', ('servers/%s/%s/antiAffinityPolicy' % (acct_alias, server_id)), json.dumps({}))
        except APIFailedResponse as ex:
            module.fail_json(msg='Unable    to    delete    anti    affinity    policy    to    server    :    "{0}".    {1}'.format(server_id, str(ex.response_text)))
    return result
