Remove generated directories with 100s of files.

client/html/generated/html/frog/Entry.dart

Index: client/html/generated/html/frog/Entry.dart
diff --git a/client/html/generated/html/frog/Entry.dart b/client/html/generated/html/frog/Entry.dart
deleted file mode 100644
index 5d9769d529f7a08c677263b9b5b61a23408b2f7d..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/Entry.dart
+++ /dev/null
@@ -1,25 +0,0 @@
-
-class _EntryImpl implements Entry native "*Entry" {
-
-  final _DOMFileSystemImpl filesystem;
-
-  final String fullPath;
-
-  final bool isDirectory;
-
-  final bool isFile;
-
-  final String name;
-
-  void copyTo(_DirectoryEntryImpl parent, [String name = null, EntryCallback successCallback = null, ErrorCallback errorCallback = null]) native;
-
-  void getMetadata(MetadataCallback successCallback, [ErrorCallback errorCallback = null]) native;
-
-  void getParent([EntryCallback successCallback = null, ErrorCallback errorCallback = null]) native;
-
-  void moveTo(_DirectoryEntryImpl parent, [String name = null, EntryCallback successCallback = null, ErrorCallback errorCallback = null]) native;
-
-  void remove(VoidCallback successCallback, [ErrorCallback errorCallback = null]) native;
-
-  String toURL() native;
-}