Model/Api.php
public function deleteAcl($version, $name)
    {
        $url = $this->_getApiServiceUri(). 'version/'. $version . '/acl/' . $name;
        $result = $this->_fetch($url, \Zend_Http_Client::DELETE);

        return $result;
    }
public function deleteAcl($version, $name)
    {
        $url = $this->_getApiServiceUri(). 'version/'. $version . '/acl/' . $name;
        $result = $this->_fetch($url, \Zend_Http_Client::DELETE);

        return $result;
    }
Delete named ACL for a particular service and version.

@param $version
@param $name
@return bool|mixed
@throws LocalizedException