Remove generated directories with 100s of files.

client/html/generated/html/frog/SVGPolygonElement.dart

Index: client/html/generated/html/frog/SVGPolygonElement.dart
diff --git a/client/html/generated/html/frog/SVGPolygonElement.dart b/client/html/generated/html/frog/SVGPolygonElement.dart
deleted file mode 100644
index dba81962e4be777aba443efb4c686d5169eb0b78..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/SVGPolygonElement.dart
+++ /dev/null
@@ -1,54 +0,0 @@
-
-class _SVGPolygonElementImpl extends _SVGElementImpl implements SVGPolygonElement native "*SVGPolygonElement" {
-
-  final _SVGPointListImpl animatedPoints;
-
-  final _SVGPointListImpl points;
-
-  // From SVGTests
-
-  final _SVGStringListImpl requiredExtensions;
-
-  final _SVGStringListImpl requiredFeatures;
-
-  final _SVGStringListImpl systemLanguage;
-
-  bool hasExtension(String extension) native;
-
-  // From SVGLangSpace
-
-  String xmllang;
-
-  String xmlspace;
-
-  // From SVGExternalResourcesRequired
-
-  final _SVGAnimatedBooleanImpl externalResourcesRequired;
-
-  // From SVGStylable
-
-  _SVGAnimatedStringImpl get _svgClassName() native "return this.className;";
-
-  // Use implementation from Element.
-  // final _CSSStyleDeclarationImpl style;
-
-  _CSSValueImpl getPresentationAttribute(String name) native;
-
-  // From SVGTransformable
-
-  final _SVGAnimatedTransformListImpl transform;
-
-  // From SVGLocatable
-
-  final _SVGElementImpl farthestViewportElement;
-
-  final _SVGElementImpl nearestViewportElement;
-
-  _SVGRectImpl getBBox() native;
-
-  _SVGMatrixImpl getCTM() native;
-
-  _SVGMatrixImpl getScreenCTM() native;
-
-  _SVGMatrixImpl getTransformToElement(_SVGElementImpl element) native;
-}