Remove generated directories with 100s of files.

client/html/generated/html/frog/XPathResult.dart

Index: client/html/generated/html/frog/XPathResult.dart
diff --git a/client/html/generated/html/frog/XPathResult.dart b/client/html/generated/html/frog/XPathResult.dart
deleted file mode 100644
index 921e7d0aa1728306a3a281356b042b5d2196e5c5..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/XPathResult.dart
+++ /dev/null
@@ -1,41 +0,0 @@
-
-class _XPathResultImpl implements XPathResult native "*XPathResult" {
-
-  static final int ANY_TYPE = 0;
-
-  static final int ANY_UNORDERED_NODE_TYPE = 8;
-
-  static final int BOOLEAN_TYPE = 3;
-
-  static final int FIRST_ORDERED_NODE_TYPE = 9;
-
-  static final int NUMBER_TYPE = 1;
-
-  static final int ORDERED_NODE_ITERATOR_TYPE = 5;
-
-  static final int ORDERED_NODE_SNAPSHOT_TYPE = 7;
-
-  static final int STRING_TYPE = 2;
-
-  static final int UNORDERED_NODE_ITERATOR_TYPE = 4;
-
-  static final int UNORDERED_NODE_SNAPSHOT_TYPE = 6;
-
-  final bool booleanValue;
-
-  final bool invalidIteratorState;
-
-  final num numberValue;
-
-  final int resultType;
-
-  final _NodeImpl singleNodeValue;
-
-  final int snapshotLength;
-
-  final String stringValue;
-
-  _NodeImpl iterateNext() native;
-
-  _NodeImpl snapshotItem(int index) native;
-}