The `CURLOPT_BINARYTRANSFER` PHP constant from the Curl extension was no-op since
PHP 5.1, and is deprecated in PHP 8.4. This removes the constant usage to avoid
the deprecation notice in PHP 8.4 and later.
Because this constant was no-op since PHP 5.1 (circa 2005), this change has no
impact.
See:
- [PHP.Watch - PHP 8.4 - Curl: CURLOPT_BINARYTRANSFER deprecated](https://php.watch/versions/8.4/CURLOPT_BINARYTRANSFER-deprecated)
- [commit](fc16285538)
Signed-off-by: Ayesh Karunaratne <ayesh@aye.sh>