Delete pop-pop-win from the repo

samples/pop_pop_win/lib/src/stage/game_root.dart

Index: samples/pop_pop_win/lib/src/stage/game_root.dart
diff --git a/samples/pop_pop_win/lib/src/stage/game_root.dart b/samples/pop_pop_win/lib/src/stage/game_root.dart
deleted file mode 100644
index dc66f1bd900e12b017d0acb6a7727d42dbc41b5e..0000000000000000000000000000000000000000
--- a/samples/pop_pop_win/lib/src/stage/game_root.dart
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-library pop_pop_win.stage.game_root;
-
-import 'package:stagexl/stagexl.dart';
-
-import 'package:pop_pop_win/src/audio.dart';
-import 'package:pop_pop_win/src/game.dart';
-import 'package:pop_pop_win/src/game_manager.dart';
-import 'game_element.dart';
-
-class GameRoot extends GameManager {
-  final Stage stage;
-  final ResourceManager resourceManager;
-  GameElement _gameElement;
-
-  GameRoot(int width, int height, int bombCount,
-      this.stage, this.resourceManager) : super(width, height, bombCount) {
-
-    var opa = resourceManager.getTextureAtlas('opaque');
-    var sta = resourceManager.getTextureAtlas('static');
-
-    _gameElement = new GameElement(this)
-        ..alpha = 0;
-
-    stage..addChild(_gameElement)
-        ..juggler.tween(_gameElement, .5).animate.alpha.to(1);
-  }
-
-  void onGameStateChanged(GameState newState) {
-    if (newState == GameState.won) {
-      _gameElement.boardElement.squares.forEach((se) => se.updateState());
-      if (game.duration.inMilliseconds < _gameElement.scoreElement.bestTime
-          || _gameElement.scoreElement.bestTime == 0) {
-        _gameElement.scoreElement.bestTime = game.duration.inMilliseconds;
-      }
-      GameAudio.win();
-    }
-  }
-
-  void newGame() {
-    super.newGame();
-    if (_gameElement != null) {
-      _gameElement.boardElement.squares.forEach((se) => se.updateState());
-    }
-  }
-}