Remove generated directories with 100s of files.

client/html/generated/html/dartium/OutputElement.dart

Index: client/html/generated/html/dartium/OutputElement.dart
diff --git a/client/html/generated/html/dartium/OutputElement.dart b/client/html/generated/html/dartium/OutputElement.dart
deleted file mode 100644
index 9aefa612d1dffb986eb97c126fc7d13ecc180a87..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/OutputElement.dart
+++ /dev/null
@@ -1,41 +0,0 @@
-
-class _OutputElementImpl extends _ElementImpl implements OutputElement {
-  _OutputElementImpl._wrap(ptr) : super._wrap(ptr);
-
-  String get defaultValue() => _wrap(_ptr.defaultValue);
-
-  void set defaultValue(String value) { _ptr.defaultValue = _unwrap(value); }
-
-  FormElement get form() => _wrap(_ptr.form);
-
-  DOMSettableTokenList get htmlFor() => _wrap(_ptr.htmlFor);
-
-  void set htmlFor(DOMSettableTokenList value) { _ptr.htmlFor = _unwrap(value); }
-
-  NodeList get labels() => _wrap(_ptr.labels);
-
-  String get name() => _wrap(_ptr.name);
-
-  void set name(String value) { _ptr.name = _unwrap(value); }
-
-  String get type() => _wrap(_ptr.type);
-
-  String get validationMessage() => _wrap(_ptr.validationMessage);
-
-  ValidityState get validity() => _wrap(_ptr.validity);
-
-  String get value() => _wrap(_ptr.value);
-
-  void set value(String value) { _ptr.value = _unwrap(value); }
-
-  bool get willValidate() => _wrap(_ptr.willValidate);
-
-  bool checkValidity() {
-    return _wrap(_ptr.checkValidity());
-  }
-
-  void setCustomValidity(String error) {
-    _ptr.setCustomValidity(_unwrap(error));
-    return;
-  }
-}