buffer: move process.binding('buffer') to internalBinding

PR-URL: https://github.com/nodejs/node/pull/22370
Refs: https://github.com/nodejs/node/issues/22160
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

lib/buffer.js

@@ -36,7 +36,7 @@ const {
   swap64: _swap64,
   kMaxLength,
   kStringMaxLength
-} = process.binding('buffer');
+} = internalBinding('buffer');
 const { isAnyArrayBuffer } = internalBinding('types');
 const {
   customInspectSymbol,