Clean up examples directory

sky/examples/input/input_app.dart

Index: sky/examples/input/input_app.dart
diff --git a/sky/examples/input/input_app.dart b/sky/examples/input/input_app.dart
deleted file mode 100644
index 9ef51dc2a5c85deec11fb974d59025192a8e5313..0000000000000000000000000000000000000000
--- a/sky/examples/input/input_app.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2015 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.
-
-import 'package:sky/framework/fn.dart';
-import 'package:sky/framework/components/input.dart';
-
-class InputApp extends App {
-  Node build() {
-    return new Input();
-  }
-}