Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/frog/IDBCursor.dart
diff --git a/client/dom/generated/src/frog/IDBCursor.dart b/client/dom/generated/src/frog/IDBCursor.dart
deleted file mode 100644
index aef94ab74089943c5dfc28cefd42b352df2c0be4..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/frog/IDBCursor.dart
+++ /dev/null
@@ -1,28 +0,0 @@
-
-class _IDBCursorJs extends _DOMTypeJs implements IDBCursor native "*IDBCursor" {
-
-  static final int NEXT = 0;
-
-  static final int NEXT_NO_DUPLICATE = 1;
-
-  static final int PREV = 2;
-
-  static final int PREV_NO_DUPLICATE = 3;
-
-  final int direction;
-
-  final _IDBKeyJs key;
-
-  final _IDBKeyJs primaryKey;
-
-  final _IDBAnyJs source;
-
-  void continueFunction([_IDBKeyJs key = null]) native '''
-if (key == null) return this['continue']();
-return this['continue'](key);
-''';
-
-  _IDBRequestJs delete() native;
-
-  _IDBRequestJs update(Dynamic value) native;
-}