src: fix unused namespace member

C++ linter fails because of unused ArrayBuffer namespace member

PR-URL: #34212
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

Author: Nikola Glavina

src/env.cc

@@ -26,7 +26,6 @@
 namespace node {
 
 using errors::TryCatchScope;
-using v8::ArrayBuffer;
 using v8::Boolean;
 using v8::Context;
 using v8::EmbedderGraph;