Remove generated directories with 100s of files.

client/dom/generated/src/frog/AudioPannerNode.dart

Index: client/dom/generated/src/frog/AudioPannerNode.dart
diff --git a/client/dom/generated/src/frog/AudioPannerNode.dart b/client/dom/generated/src/frog/AudioPannerNode.dart
deleted file mode 100644
index ceecf38a5711fb645cb2c85997abe9a178505892..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/frog/AudioPannerNode.dart
+++ /dev/null
@@ -1,41 +0,0 @@
-
-class _AudioPannerNodeJs extends _AudioNodeJs implements AudioPannerNode native "*AudioPannerNode" {
-
-  static final int EQUALPOWER = 0;
-
-  static final int EXPONENTIAL_DISTANCE = 2;
-
-  static final int HRTF = 1;
-
-  static final int INVERSE_DISTANCE = 1;
-
-  static final int LINEAR_DISTANCE = 0;
-
-  static final int SOUNDFIELD = 2;
-
-  final _AudioGainJs coneGain;
-
-  num coneInnerAngle;
-
-  num coneOuterAngle;
-
-  num coneOuterGain;
-
-  final _AudioGainJs distanceGain;
-
-  int distanceModel;
-
-  num maxDistance;
-
-  int panningModel;
-
-  num refDistance;
-
-  num rolloffFactor;
-
-  void setOrientation(num x, num y, num z) native;
-
-  void setPosition(num x, num y, num z) native;
-
-  void setVelocity(num x, num y, num z) native;
-}