Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_CSSPrimitiveValueWrappingImplementation.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 _CSSPrimitiveValueWrappingImplementation extends _CSSValueWrappingImplementation implements CSSPrimitiveValue {
-  _CSSPrimitiveValueWrappingImplementation() : super() {}
-
-  static create__CSSPrimitiveValueWrappingImplementation() native {
-    return new _CSSPrimitiveValueWrappingImplementation();
-  }
-
-  int get primitiveType() { return _get_primitiveType(this); }
-  static int _get_primitiveType(var _this) native;
-
-  Counter getCounterValue() {
-    return _getCounterValue(this);
-  }
-  static Counter _getCounterValue(receiver) native;
-
-  num getFloatValue(int unitType) {
-    return _getFloatValue(this, unitType);
-  }
-  static num _getFloatValue(receiver, unitType) native;
-
-  RGBColor getRGBColorValue() {
-    return _getRGBColorValue(this);
-  }
-  static RGBColor _getRGBColorValue(receiver) native;
-
-  Rect getRectValue() {
-    return _getRectValue(this);
-  }
-  static Rect _getRectValue(receiver) native;
-
-  String getStringValue() {
-    return _getStringValue(this);
-  }
-  static String _getStringValue(receiver) native;
-
-  void setFloatValue(int unitType, num floatValue) {
-    _setFloatValue(this, unitType, floatValue);
-    return;
-  }
-  static void _setFloatValue(receiver, unitType, floatValue) native;
-
-  void setStringValue(int stringType, String stringValue) {
-    _setStringValue(this, stringType, stringValue);
-    return;
-  }
-  static void _setStringValue(receiver, stringType, stringValue) native;
-
-  String get typeName() { return "CSSPrimitiveValue"; }
-}