Revert of [Android WebView] Implement support for Network Information API and enable it.

android_webview/browser/net/aw_network_change_notifier_factory.cc

Index: android_webview/browser/net/aw_network_change_notifier_factory.cc
diff --git a/android_webview/browser/net/aw_network_change_notifier_factory.cc b/android_webview/browser/net/aw_network_change_notifier_factory.cc
deleted file mode 100644
index f05627f9569a668803f97be7f317f7e45fdedd1d..0000000000000000000000000000000000000000
--- a/android_webview/browser/net/aw_network_change_notifier_factory.cc
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2016 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.
-
-#include "android_webview/browser/net/aw_network_change_notifier_factory.h"
-
-#include "android_webview/browser/net/aw_network_change_notifier.h"
-
-namespace android_webview {
-
-AwNetworkChangeNotifierFactory::AwNetworkChangeNotifierFactory() {}
-
-AwNetworkChangeNotifierFactory::~AwNetworkChangeNotifierFactory() {}
-
-net::NetworkChangeNotifier* AwNetworkChangeNotifierFactory::CreateInstance() {
-  return new AwNetworkChangeNotifier(&delegate_);
-}
-
-}  // namespace android_webview