Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/frog/SVGAnimationElement.dart
diff --git a/client/dom/generated/src/frog/SVGAnimationElement.dart b/client/dom/generated/src/frog/SVGAnimationElement.dart
deleted file mode 100644
index a9a230f498d1cc479c78b52bc8b85e878d837379..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/frog/SVGAnimationElement.dart
+++ /dev/null
@@ -1,35 +0,0 @@
-
-class _SVGAnimationElementJs extends _SVGElementJs implements SVGAnimationElement native "*SVGAnimationElement" {
-
-  final _SVGElementJs targetElement;
-
-  num getCurrentTime() native;
-
-  num getSimpleDuration() native;
-
-  num getStartTime() native;
-
-  // From SVGTests
-
-  final _SVGStringListJs requiredExtensions;
-
-  final _SVGStringListJs requiredFeatures;
-
-  final _SVGStringListJs systemLanguage;
-
-  bool hasExtension(String extension) native;
-
-  // From SVGExternalResourcesRequired
-
-  final _SVGAnimatedBooleanJs externalResourcesRequired;
-
-  // From ElementTimeControl
-
-  void beginElement() native;
-
-  void beginElementAt(num offset) native;
-
-  void endElement() native;
-
-  void endElementAt(num offset) native;
-}