Remove generated directories with 100s of files.

client/html/generated/html/dartium/EntrySync.dart

Index: client/html/generated/html/dartium/EntrySync.dart
diff --git a/client/html/generated/html/dartium/EntrySync.dart b/client/html/generated/html/dartium/EntrySync.dart
deleted file mode 100644
index 97c1a38b0154cb1d4142bafeb8301cd21ecd91ca..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/EntrySync.dart
+++ /dev/null
@@ -1,39 +0,0 @@
-
-class _EntrySyncImpl extends _DOMTypeBase implements EntrySync {
-  _EntrySyncImpl._wrap(ptr) : super._wrap(ptr);
-
-  DOMFileSystemSync get filesystem() => _wrap(_ptr.filesystem);
-
-  String get fullPath() => _wrap(_ptr.fullPath);
-
-  bool get isDirectory() => _wrap(_ptr.isDirectory);
-
-  bool get isFile() => _wrap(_ptr.isFile);
-
-  String get name() => _wrap(_ptr.name);
-
-  EntrySync copyTo(DirectoryEntrySync parent, String name) {
-    return _wrap(_ptr.copyTo(_unwrap(parent), _unwrap(name)));
-  }
-
-  Metadata getMetadata() {
-    return _wrap(_ptr.getMetadata());
-  }
-
-  DirectoryEntrySync getParent() {
-    return _wrap(_ptr.getParent());
-  }
-
-  EntrySync moveTo(DirectoryEntrySync parent, String name) {
-    return _wrap(_ptr.moveTo(_unwrap(parent), _unwrap(name)));
-  }
-
-  void remove() {
-    _ptr.remove();
-    return;
-  }
-
-  String toURL() {
-    return _wrap(_ptr.toURL());
-  }
-}