http: remove unnecessary bind

process.nextTick accepts additional parameters which
are passed through to the callback. Use that instead
of binding the function to a context.

PR-URL: #28131
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

lib/_http_client.js

@@ -313,7 +313,7 @@ ClientRequest.prototype._implicitHeader = function _implicitHeader() {
 
 ClientRequest.prototype.abort = function abort() {
   if (!this.aborted) {
-    process.nextTick(emitAbortNT.bind(this));
+    process.nextTick(emitAbortNT, this);
   }
   this.aborted = true;
 
@@ -331,8 +331,8 @@ ClientRequest.prototype.abort = function abort() {
 };
 
 
-function emitAbortNT() {
-  this.emit('abort');
+function emitAbortNT(req) {
+  req.emit('abort');
 }
 
 function ondrain() {