Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_HTMLMeterElementWrappingImplementation.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING: Do not edit - generated code.
-
-class _HTMLMeterElementWrappingImplementation extends _HTMLElementWrappingImplementation implements HTMLMeterElement {
-  _HTMLMeterElementWrappingImplementation() : super() {}
-
-  static create__HTMLMeterElementWrappingImplementation() native {
-    return new _HTMLMeterElementWrappingImplementation();
-  }
-
-  HTMLFormElement get form() { return _get_form(this); }
-  static HTMLFormElement _get_form(var _this) native;
-
-  num get high() { return _get_high(this); }
-  static num _get_high(var _this) native;
-
-  void set high(num value) { _set_high(this, value); }
-  static void _set_high(var _this, num value) native;
-
-  NodeList get labels() { return _get_labels(this); }
-  static NodeList _get_labels(var _this) native;
-
-  num get low() { return _get_low(this); }
-  static num _get_low(var _this) native;
-
-  void set low(num value) { _set_low(this, value); }
-  static void _set_low(var _this, num value) native;
-
-  num get max() { return _get_max(this); }
-  static num _get_max(var _this) native;
-
-  void set max(num value) { _set_max(this, value); }
-  static void _set_max(var _this, num value) native;
-
-  num get min() { return _get_min(this); }
-  static num _get_min(var _this) native;
-
-  void set min(num value) { _set_min(this, value); }
-  static void _set_min(var _this, num value) native;
-
-  num get optimum() { return _get_optimum(this); }
-  static num _get_optimum(var _this) native;
-
-  void set optimum(num value) { _set_optimum(this, value); }
-  static void _set_optimum(var _this, num value) native;
-
-  num get value() { return _get_value(this); }
-  static num _get_value(var _this) native;
-
-  void set value(num value) { _set_value(this, value); }
-  static void _set_value(var _this, num value) native;
-
-  String get typeName() { return "HTMLMeterElement"; }
-}