Remove generated directories with 100s of files.

client/html/generated/html/dartium/SVGMaskElement.dart

Index: client/html/generated/html/dartium/SVGMaskElement.dart
diff --git a/client/html/generated/html/dartium/SVGMaskElement.dart b/client/html/generated/html/dartium/SVGMaskElement.dart
deleted file mode 100644
index 6c5932eb08633beec229a4f9334d4750efdc9bad..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/SVGMaskElement.dart
+++ /dev/null
@@ -1,52 +0,0 @@
-
-class _SVGMaskElementImpl extends _SVGElementImpl implements SVGMaskElement {
-  _SVGMaskElementImpl._wrap(ptr) : super._wrap(ptr);
-
-  SVGAnimatedLength get height() => _wrap(_ptr.height);
-
-  SVGAnimatedEnumeration get maskContentUnits() => _wrap(_ptr.maskContentUnits);
-
-  SVGAnimatedEnumeration get maskUnits() => _wrap(_ptr.maskUnits);
-
-  SVGAnimatedLength get width() => _wrap(_ptr.width);
-
-  SVGAnimatedLength get x() => _wrap(_ptr.x);
-
-  SVGAnimatedLength get y() => _wrap(_ptr.y);
-
-  // From SVGTests
-
-  SVGStringList get requiredExtensions() => _wrap(_ptr.requiredExtensions);
-
-  SVGStringList get requiredFeatures() => _wrap(_ptr.requiredFeatures);
-
-  SVGStringList get systemLanguage() => _wrap(_ptr.systemLanguage);
-
-  bool hasExtension(String extension) {
-    return _wrap(_ptr.hasExtension(_unwrap(extension)));
-  }
-
-  // From SVGLangSpace
-
-  String get xmllang() => _wrap(_ptr.xmllang);
-
-  void set xmllang(String value) { _ptr.xmllang = _unwrap(value); }
-
-  String get xmlspace() => _wrap(_ptr.xmlspace);
-
-  void set xmlspace(String value) { _ptr.xmlspace = _unwrap(value); }
-
-  // From SVGExternalResourcesRequired
-
-  SVGAnimatedBoolean get externalResourcesRequired() => _wrap(_ptr.externalResourcesRequired);
-
-  // From SVGStylable
-
-  SVGAnimatedString get _svgClassName() => _wrap(_ptr.className);
-
-  CSSStyleDeclaration get style() => _wrap(_ptr.style);
-
-  CSSValue getPresentationAttribute(String name) {
-    return _wrap(_ptr.getPresentationAttribute(_unwrap(name)));
-  }
-}