net: remove Socket.prototoype.read

Unused since 34b535f.

PR-URL: #18568
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Khaidi Chu <i@2333.moe>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

lib/net.js

@@ -377,15 +377,6 @@ function writeAfterFIN(chunk, encoding, cb) {
   }
 }
 
-Socket.prototype.read = function(n) {
-  if (n === 0)
-    return stream.Readable.prototype.read.call(this, n);
-
-  this.read = stream.Readable.prototype.read;
-  this._consuming = true;
-  return this.read(n);
-};
-
 Socket.prototype.setTimeout = function(msecs, callback) {
   if (msecs === 0) {
     timers.unenroll(this);