http: reuse noop function in socketOnError()

PR-URL: #25566
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

lib/_http_server.js

@@ -499,14 +499,15 @@ function onParserExecute(server, socket, parser, state, ret) {
   onParserExecuteCommon(server, socket, parser, state, ret, undefined);
 }
 
+const noop = () => {};
 const badRequestResponse = Buffer.from(
   `HTTP/1.1 400 ${STATUS_CODES[400]}${CRLF}` +
   `Connection: close${CRLF}${CRLF}`, 'ascii'
 );
 function socketOnError(e) {
   // Ignore further errors
   this.removeListener('error', socketOnError);
-  this.on('error', () => {});
+  this.on('error', noop);
 
   if (!this.server.emit('clientError', e, this)) {
     if (this.writable) {