Remove generated directories with 100s of files.

client/dom/generated/src/interface/AudioBufferSourceNode.dart

Index: client/dom/generated/src/interface/AudioBufferSourceNode.dart
diff --git a/client/dom/generated/src/interface/AudioBufferSourceNode.dart b/client/dom/generated/src/interface/AudioBufferSourceNode.dart
deleted file mode 100644
index 6574c13f8c628e95ec6df53270a4f8ea1c591a6e..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/interface/AudioBufferSourceNode.dart
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2012, 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.
-
-// WARNING: Do not edit - generated code.
-
-interface AudioBufferSourceNode extends AudioSourceNode {
-
-  AudioBuffer buffer;
-
-  final AudioGain gain;
-
-  bool loop;
-
-  bool looping;
-
-  final AudioParam playbackRate;
-
-  void noteGrainOn(num when, num grainOffset, num grainDuration);
-
-  void noteOff(num when);
-
-  void noteOn(num when);
-}