Remove generated directories with 100s of files.

client/html/generated/html/frog/DataView.dart

Index: client/html/generated/html/frog/DataView.dart
diff --git a/client/html/generated/html/frog/DataView.dart b/client/html/generated/html/frog/DataView.dart
deleted file mode 100644
index b35fec7e63df775f8d2111ce25e3045d67758d90..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/DataView.dart
+++ /dev/null
@@ -1,35 +0,0 @@
-
-class _DataViewImpl extends _ArrayBufferViewImpl implements DataView native "*DataView" {
-
-  num getFloat32(int byteOffset, [bool littleEndian = null]) native;
-
-  num getFloat64(int byteOffset, [bool littleEndian = null]) native;
-
-  int getInt16(int byteOffset, [bool littleEndian = null]) native;
-
-  int getInt32(int byteOffset, [bool littleEndian = null]) native;
-
-  Object getInt8() native;
-
-  int getUint16(int byteOffset, [bool littleEndian = null]) native;
-
-  int getUint32(int byteOffset, [bool littleEndian = null]) native;
-
-  Object getUint8() native;
-
-  void setFloat32(int byteOffset, num value, [bool littleEndian = null]) native;
-
-  void setFloat64(int byteOffset, num value, [bool littleEndian = null]) native;
-
-  void setInt16(int byteOffset, int value, [bool littleEndian = null]) native;
-
-  void setInt32(int byteOffset, int value, [bool littleEndian = null]) native;
-
-  void setInt8() native;
-
-  void setUint16(int byteOffset, int value, [bool littleEndian = null]) native;
-
-  void setUint32(int byteOffset, int value, [bool littleEndian = null]) native;
-
-  void setUint8() native;
-}