Delete pop-pop-win from the repo

samples/pop_pop_win/lib/src/game/game_state.dart

Index: samples/pop_pop_win/lib/src/game/game_state.dart
diff --git a/samples/pop_pop_win/lib/src/game/game_state.dart b/samples/pop_pop_win/lib/src/game/game_state.dart
deleted file mode 100644
index 5bb4d40a35bdeb236db0ba77eb4b9eb3d927aa0d..0000000000000000000000000000000000000000
--- a/samples/pop_pop_win/lib/src/game/game_state.dart
+++ /dev/null
@@ -1,16 +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.
-part of pop_pop_win.game;
-
-class GameState {
-  static const GameState reset = const GameState._internal("reset");
-  static const GameState started = const GameState._internal("started");
-  static const GameState won = const GameState._internal("won");
-  static const GameState lost = const GameState._internal("lost");
-  final String name;
-
-  const GameState._internal(this.name);
-
-  String toString() => 'GameState: $name';
-}