Remove generated directories with 100s of files.

client/html/generated/html/dartium/IDBFactory.dart

Index: client/html/generated/html/dartium/IDBFactory.dart
diff --git a/client/html/generated/html/dartium/IDBFactory.dart b/client/html/generated/html/dartium/IDBFactory.dart
deleted file mode 100644
index 692a16ea9033362c20a1d82d1c7364537e9958fc..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/IDBFactory.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-
-class _IDBFactoryImpl extends _DOMTypeBase implements IDBFactory {
-  _IDBFactoryImpl._wrap(ptr) : super._wrap(ptr);
-
-  int cmp(IDBKey first, IDBKey second) {
-    return _wrap(_ptr.cmp(_unwrap(first), _unwrap(second)));
-  }
-
-  IDBVersionChangeRequest deleteDatabase(String name) {
-    return _wrap(_ptr.deleteDatabase(_unwrap(name)));
-  }
-
-  IDBRequest getDatabaseNames() {
-    return _wrap(_ptr.getDatabaseNames());
-  }
-
-  IDBRequest open(String name) {
-    return _wrap(_ptr.open(_unwrap(name)));
-  }
-}