net: remove Socket.prototype.listen

The function was never documented and now throws a TypeError if used.

PR-URL: #13735
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>

lib/net.js

@@ -380,15 +380,6 @@ Socket.prototype.read = function(n) {
   return this.read(n);
 };
 
-
-// FIXME(joyeecheung): this method is neither documented nor tested
-Socket.prototype.listen = function() {
-  debug('socket.listen');
-  this.on('connection', arguments[0]);
-  listenInCluster(this, null, null, null);
-};
-
-
 Socket.prototype.setTimeout = function(msecs, callback) {
   if (msecs === 0) {
     timers.unenroll(this);