Remove generated directories with 100s of files.

client/html/generated/html/dartium/EmbedElement.dart

Index: client/html/generated/html/dartium/EmbedElement.dart
diff --git a/client/html/generated/html/dartium/EmbedElement.dart b/client/html/generated/html/dartium/EmbedElement.dart
deleted file mode 100644
index 3a4d92c50aa0e905e7ec8e5357087ddae963111d..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/EmbedElement.dart
+++ /dev/null
@@ -1,28 +0,0 @@
-
-class _EmbedElementImpl extends _ElementImpl implements EmbedElement {
-  _EmbedElementImpl._wrap(ptr) : super._wrap(ptr);
-
-  String get align() => _wrap(_ptr.align);
-
-  void set align(String value) { _ptr.align = _unwrap(value); }
-
-  String get height() => _wrap(_ptr.height);
-
-  void set height(String value) { _ptr.height = _unwrap(value); }
-
-  String get name() => _wrap(_ptr.name);
-
-  void set name(String value) { _ptr.name = _unwrap(value); }
-
-  String get src() => _wrap(_ptr.src);
-
-  void set src(String value) { _ptr.src = _unwrap(value); }
-
-  String get type() => _wrap(_ptr.type);
-
-  void set type(String value) { _ptr.type = _unwrap(value); }
-
-  String get width() => _wrap(_ptr.width);
-
-  void set width(String value) { _ptr.width = _unwrap(value); }
-}