net: remove Socket.prototype.write

This is superfluous now that typechecking in `net` and
`stream` are aligned.

PR-URL: #17644
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>

lib/net.js

@@ -701,17 +701,6 @@ protoGetter('localPort', function localPort() {
 });
 
 
-Socket.prototype.write = function(chunk, encoding, cb) {
-  if (typeof chunk !== 'string' && !(chunk instanceof Buffer)) {
-    throw new errors.TypeError('ERR_INVALID_ARG_TYPE',
-                               'chunk',
-                               ['string', 'Buffer'],
-                               chunk);
-  }
-  return stream.Duplex.prototype.write.apply(this, arguments);
-};
-
-
 Socket.prototype._writeGeneric = function(writev, data, encoding, cb) {
   // If we are still connecting, then buffer this for later.
   // The Writable logic will buffer up any more writes while