Remove generated directories with 100s of files.

client/html/generated/html/frog/NodeFilter.dart

Index: client/html/generated/html/frog/NodeFilter.dart
diff --git a/client/html/generated/html/frog/NodeFilter.dart b/client/html/generated/html/frog/NodeFilter.dart
deleted file mode 100644
index c596245e10cb5a5e495457cb73fff2aa5f7f1764..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/NodeFilter.dart
+++ /dev/null
@@ -1,37 +0,0 @@
-
-class _NodeFilterImpl implements NodeFilter native "*NodeFilter" {
-
-  static final int FILTER_ACCEPT = 1;
-
-  static final int FILTER_REJECT = 2;
-
-  static final int FILTER_SKIP = 3;
-
-  static final int SHOW_ALL = 0xFFFFFFFF;
-
-  static final int SHOW_ATTRIBUTE = 0x00000002;
-
-  static final int SHOW_CDATA_SECTION = 0x00000008;
-
-  static final int SHOW_COMMENT = 0x00000080;
-
-  static final int SHOW_DOCUMENT = 0x00000100;
-
-  static final int SHOW_DOCUMENT_FRAGMENT = 0x00000400;
-
-  static final int SHOW_DOCUMENT_TYPE = 0x00000200;
-
-  static final int SHOW_ELEMENT = 0x00000001;
-
-  static final int SHOW_ENTITY = 0x00000020;
-
-  static final int SHOW_ENTITY_REFERENCE = 0x00000010;
-
-  static final int SHOW_NOTATION = 0x00000800;
-
-  static final int SHOW_PROCESSING_INSTRUCTION = 0x00000040;
-
-  static final int SHOW_TEXT = 0x00000004;
-
-  int acceptNode(_NodeImpl n) native;
-}