More state cleanup

web/slide_puzzle/lib/src/app_state.dart

@@ -2,27 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'core/puzzle_animator.dart';
-import 'flutter.dart';
+import 'package:flutter_web/foundation.dart';
+
+import 'core/puzzle_proxy.dart';
 
 abstract class AppState {
   PuzzleProxy get puzzle;
 
-  bool get autoPlay;
-
-  void setAutoPlay(bool newValue);
-
   Listenable get animationNotifier;
-
-  void clickOrShake(int tileValue) {
-    setAutoPlay(false);
-    puzzle.clickOrShake(tileValue);
-  }
-
-  void Function(bool newValue) get setAutoPlayFunction {
-    if (puzzle.solved) {
-      return null;
-    }
-    return setAutoPlay;
-  }
 }