Remove mojo/apps/js, it is unused

mojo/apps/js/main.js

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// This trivial app just loads "cnn.com" using the Mojo Network and URLLoader
-// services and then prints a brief summary of the response.
-//
-// To run it using mojo_js_standalone (don't forget the quotes):
-//   mojo_shell 'mojo://js_standalone THIS_DIR/main.js'
-//
-// To run it using mojo_js_content handler this file must be specified as
-// a URL. For example:
-//   (cd YOUR_DIR/mojo/apps/js; python -m SimpleHTTPServer ) &
-//   mojo_shell \
-//    --content-handlers=application/javascript,mojo://js_content_handler \
-//    http://localhost:8000/test.js
-
-define("test", [
-  "mojo/apps/js/mojo",
-  "mojo/public/js/bindings/core",
-  "mojo/public/js/bindings/connection",
-  "mojo/public/js/bindings/support",
-  "mojo/services/public/interfaces/network/network_service.mojom",
-  "mojo/services/public/interfaces/network/url_loader.mojom",
-  "console"
-], function(mojo, core, connection, support, net, loader, console) {
-
-  var networkService = mojo.connectToService(
-      "mojo:network_service", net.NetworkService);
-
-  var urlLoaderPipe = core.createMessagePipe();
-  networkService.createURLLoader(urlLoaderPipe.handle1);
-  var urlLoaderConnection = new connection.Connection(
-      urlLoaderPipe.handle0,
-      function(){},
-      loader.URLLoader.proxyClass);
-
-  var urlRequest = new loader.URLRequest({
-    url: "http://www.cnn.com",
-    method: "GET",
-    auto_follow_redirects: true
-  });
-
-  var urlRequestPromise = urlLoaderConnection.remote.start(urlRequest);
-  urlRequestPromise.then(function(result) {
-    for(var key in result.response)
-      console.log(key + " => " + result.response[key]);
-    var drainDataPromise = core.drainData(result.response.body);
-    drainDataPromise.then(function(result) {
-      console.log("read " + result.buffer.byteLength + " bytes");
-    }).then(function() {
-      mojo.quit();
-    });
-  });
-});