Remove generated directories with 100s of files.

client/html/generated/html/frog/SVGFEGaussianBlurElement.dart

Index: client/html/generated/html/frog/SVGFEGaussianBlurElement.dart
diff --git a/client/html/generated/html/frog/SVGFEGaussianBlurElement.dart b/client/html/generated/html/frog/SVGFEGaussianBlurElement.dart
deleted file mode 100644
index d41cdd636d99355daadc60f06ecd67dfada3cbd8..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/SVGFEGaussianBlurElement.dart
+++ /dev/null
@@ -1,32 +0,0 @@
-
-class _SVGFEGaussianBlurElementImpl extends _SVGElementImpl implements SVGFEGaussianBlurElement native "*SVGFEGaussianBlurElement" {
-
-  final _SVGAnimatedStringImpl in1;
-
-  final _SVGAnimatedNumberImpl stdDeviationX;
-
-  final _SVGAnimatedNumberImpl stdDeviationY;
-
-  void setStdDeviation(num stdDeviationX, num stdDeviationY) native;
-
-  // From SVGFilterPrimitiveStandardAttributes
-
-  final _SVGAnimatedLengthImpl height;
-
-  final _SVGAnimatedStringImpl result;
-
-  final _SVGAnimatedLengthImpl width;
-
-  final _SVGAnimatedLengthImpl x;
-
-  final _SVGAnimatedLengthImpl y;
-
-  // From SVGStylable
-
-  _SVGAnimatedStringImpl get _svgClassName() native "return this.className;";
-
-  // Use implementation from Element.
-  // final _CSSStyleDeclarationImpl style;
-
-  _CSSValueImpl getPresentationAttribute(String name) native;
-}