test: console.log removed from test-net-localport

There seems to be an unecessary console log
happening in a test.

PR-URL: #12483
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: David Cai <davidcai1993@yahoo.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>

test/parallel/test-net-localport.js

@@ -4,7 +4,6 @@ const assert = require('assert');
 const net = require('net');
 
 const server = net.createServer(function(socket) {
-  console.log(socket.remotePort);
   assert.strictEqual(socket.remotePort, common.PORT);
   socket.end();
   socket.on('close', function() {