Remove generated directories with 100s of files.

client/html/generated/html/frog/Animation.dart

Index: client/html/generated/html/frog/Animation.dart
diff --git a/client/html/generated/html/frog/Animation.dart b/client/html/generated/html/frog/Animation.dart
deleted file mode 100644
index 61a6e9266fd06a236b3fd76a324fdc7ce61d5d02..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/Animation.dart
+++ /dev/null
@@ -1,37 +0,0 @@
-
-class _AnimationImpl implements Animation native "*WebKitAnimation" {
-
-  static final int DIRECTION_ALTERNATE = 1;
-
-  static final int DIRECTION_NORMAL = 0;
-
-  static final int FILL_BACKWARDS = 1;
-
-  static final int FILL_BOTH = 3;
-
-  static final int FILL_FORWARDS = 2;
-
-  static final int FILL_NONE = 0;
-
-  final num delay;
-
-  final int direction;
-
-  final num duration;
-
-  num elapsedTime;
-
-  final bool ended;
-
-  final int fillMode;
-
-  final int iterationCount;
-
-  final String name;
-
-  final bool paused;
-
-  void pause() native;
-
-  void play() native;
-}