Remove generated directories with 100s of files.

client/dom/generated/src/frog/SVGGradientElement.dart

Index: client/dom/generated/src/frog/SVGGradientElement.dart
diff --git a/client/dom/generated/src/frog/SVGGradientElement.dart b/client/dom/generated/src/frog/SVGGradientElement.dart
deleted file mode 100644
index d448704f7ad6aa8c69a8088901eb81b7b8038dee..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/frog/SVGGradientElement.dart
+++ /dev/null
@@ -1,34 +0,0 @@
-
-class _SVGGradientElementJs extends _SVGElementJs implements SVGGradientElement native "*SVGGradientElement" {
-
-  static final int SVG_SPREADMETHOD_PAD = 1;
-
-  static final int SVG_SPREADMETHOD_REFLECT = 2;
-
-  static final int SVG_SPREADMETHOD_REPEAT = 3;
-
-  static final int SVG_SPREADMETHOD_UNKNOWN = 0;
-
-  final _SVGAnimatedTransformListJs gradientTransform;
-
-  final _SVGAnimatedEnumerationJs gradientUnits;
-
-  final _SVGAnimatedEnumerationJs spreadMethod;
-
-  // From SVGURIReference
-
-  final _SVGAnimatedStringJs href;
-
-  // From SVGExternalResourcesRequired
-
-  final _SVGAnimatedBooleanJs externalResourcesRequired;
-
-  // From SVGStylable
-
-  final _SVGAnimatedStringJs className;
-
-  // Use implementation from Element.
-  // final _CSSStyleDeclarationJs style;
-
-  _CSSValueJs getPresentationAttribute(String name) native;
-}