Remove generated directories with 100s of files.

client/html/generated/html/interface/BiquadFilterNode.dart

Index: client/html/generated/html/interface/BiquadFilterNode.dart
diff --git a/client/html/generated/html/interface/BiquadFilterNode.dart b/client/html/generated/html/interface/BiquadFilterNode.dart
deleted file mode 100644
index 5d9d388151254417a080968cd984fad15225028a..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/BiquadFilterNode.dart
+++ /dev/null
@@ -1,34 +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 BiquadFilterNode extends AudioNode {
-
-  static final int ALLPASS = 7;
-
-  static final int BANDPASS = 2;
-
-  static final int HIGHPASS = 1;
-
-  static final int HIGHSHELF = 4;
-
-  static final int LOWPASS = 0;
-
-  static final int LOWSHELF = 3;
-
-  static final int NOTCH = 6;
-
-  static final int PEAKING = 5;
-
-  final AudioParam Q;
-
-  final AudioParam frequency;
-
-  final AudioParam gain;
-
-  int type;
-
-  void getFrequencyResponse(Float32Array frequencyHz, Float32Array magResponse, Float32Array phaseResponse);
-}