Remove generated directories with 100s of files.

client/html/generated/html/frog/ObjectElement.dart

Index: client/html/generated/html/frog/ObjectElement.dart
diff --git a/client/html/generated/html/frog/ObjectElement.dart b/client/html/generated/html/frog/ObjectElement.dart
deleted file mode 100644
index 5597bc62163a7243e3bd7f176152717010248a91..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/ObjectElement.dart
+++ /dev/null
@@ -1,51 +0,0 @@
-
-class _ObjectElementImpl extends _ElementImpl implements ObjectElement native "*HTMLObjectElement" {
-
-  String align;
-
-  String archive;
-
-  String border;
-
-  String code;
-
-  String codeBase;
-
-  String codeType;
-
-  _DocumentImpl get contentDocument() => _FixHtmlDocumentReference(_contentDocument);
-
-  _EventTargetImpl get _contentDocument() native "return this.contentDocument;";
-
-  String data;
-
-  bool declare;
-
-  final _FormElementImpl form;
-
-  String height;
-
-  int hspace;
-
-  String name;
-
-  String standby;
-
-  String type;
-
-  String useMap;
-
-  final String validationMessage;
-
-  final _ValidityStateImpl validity;
-
-  int vspace;
-
-  String width;
-
-  final bool willValidate;
-
-  bool checkValidity() native;
-
-  void setCustomValidity(String error) native;
-}