Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/frog/HTMLElement.dart
diff --git a/client/dom/generated/src/frog/HTMLElement.dart b/client/dom/generated/src/frog/HTMLElement.dart
deleted file mode 100644
index c66071f599394eac6eb27d8117e8f579a4738e1a..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/frog/HTMLElement.dart
+++ /dev/null
@@ -1,51 +0,0 @@
-
-class _HTMLElementJs extends _ElementJs implements HTMLElement native "*HTMLElement" {
-
-  String accessKey;
-
-  final _HTMLCollectionJs children;
-
-  final _DOMTokenListJs classList;
-
-  String className;
-
-  String contentEditable;
-
-  String dir;
-
-  bool draggable;
-
-  bool hidden;
-
-  String id;
-
-  String innerHTML;
-
-  String innerText;
-
-  final bool isContentEditable;
-
-  String lang;
-
-  String outerHTML;
-
-  String outerText;
-
-  bool spellcheck;
-
-  int tabIndex;
-
-  String title;
-
-  bool translate;
-
-  String webkitdropzone;
-
-  void click() native;
-
-  _ElementJs insertAdjacentElement(String where, _ElementJs element) native;
-
-  void insertAdjacentHTML(String where, String html) native;
-
-  void insertAdjacentText(String where, String text) native;
-}