remove unnecessary test/support/http

backport of 643397e

Author: jonathanong

test/Router.js

@@ -1,7 +1,7 @@
 
 var express = require('../')
   , Router = express.Router
-  , request = require('./support/http')
+  , request = require('supertest')
   , methods = require('methods')
   , assert = require('assert');
 

test/acceptance/auth.js

@@ -1,5 +1,5 @@
 var app = require('../../examples/auth/app')
-  , request = require('../support/http');
+  , request = require('supertest');
 
 function redirects(to, fn){
   return function(err, res){