Remove generated directories with 100s of files.

client/html/generated/html/dartium/TableRowElement.dart

Index: client/html/generated/html/dartium/TableRowElement.dart
diff --git a/client/html/generated/html/dartium/TableRowElement.dart b/client/html/generated/html/dartium/TableRowElement.dart
deleted file mode 100644
index 9cc95482b0a700e4c96a191eb5f7b131c7c1ad88..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/TableRowElement.dart
+++ /dev/null
@@ -1,39 +0,0 @@
-
-class _TableRowElementImpl extends _ElementImpl implements TableRowElement {
-  _TableRowElementImpl._wrap(ptr) : super._wrap(ptr);
-
-  String get align() => _wrap(_ptr.align);
-
-  void set align(String value) { _ptr.align = _unwrap(value); }
-
-  String get bgColor() => _wrap(_ptr.bgColor);
-
-  void set bgColor(String value) { _ptr.bgColor = _unwrap(value); }
-
-  HTMLCollection get cells() => _wrap(_ptr.cells);
-
-  String get ch() => _wrap(_ptr.ch);
-
-  void set ch(String value) { _ptr.ch = _unwrap(value); }
-
-  String get chOff() => _wrap(_ptr.chOff);
-
-  void set chOff(String value) { _ptr.chOff = _unwrap(value); }
-
-  int get rowIndex() => _wrap(_ptr.rowIndex);
-
-  int get sectionRowIndex() => _wrap(_ptr.sectionRowIndex);
-
-  String get vAlign() => _wrap(_ptr.vAlign);
-
-  void set vAlign(String value) { _ptr.vAlign = _unwrap(value); }
-
-  void deleteCell(int index) {
-    _ptr.deleteCell(_unwrap(index));
-    return;
-  }
-
-  Element insertCell(int index) {
-    return _wrap(_ptr.insertCell(_unwrap(index)));
-  }
-}