lib/Braintree/PaymentMethodGateway.php
public function _doDelete($subPath)
    {
        $fullPath = $this->_config->merchantPath() . $subPath;
        $this->_http->delete($fullPath);
        return new Result\Successful();
    }
public function _doDelete($subPath)
    {
        $fullPath = $this->_config->merchantPath() . $subPath;
        $this->_http->delete($fullPath);
        return new Result\Successful();
    }
public function _doDelete ( $ subPath ) { $ fullPath = $ this -> _config -> merchantPath ( ) . $ subPath ; $ this -> _http -> delete ( $ fullPath ) ; return new Result \ Successful ( ) ; }
sends the delete request to the gateway

@ignore
@param string $subPath
@return mixed
sends the delete request to the gateway