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

        if (!$result) {
            throw new LocalizedException(__('Failed to delete the REQUEST object.'));
        }
    }
public function deleteRequest($version, $name)
    {
        $url = $this->_getApiServiceUri(). 'version/'. $version. '/request_settings/' . $name;
        $result = $this->_fetch($url, \Zend_Http_Client::DELETE);

        if (!$result) {
            throw new LocalizedException(__('Failed to delete the REQUEST object.'));
        }
    }
Removes the specified Request Settings object.
@param $version
@param $name
@throws LocalizedException