quic: fix minor linting issue

PR-URL: #33913
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

Author: jasnell

src/quic/node_quic_socket.cc

@@ -32,13 +32,11 @@ using v8::Context;
 using v8::FunctionCallbackInfo;
 using v8::FunctionTemplate;
 using v8::HandleScope;
-using v8::Integer;
 using v8::Isolate;
 using v8::Local;
 using v8::Number;
 using v8::Object;
 using v8::ObjectTemplate;
-using v8::PropertyAttribute;
 using v8::String;
 using v8::Value;