Remove the CSSOM.

sky/engine/core/css/CSSMediaRule.idl

Index: sky/engine/core/css/CSSMediaRule.idl
diff --git a/sky/engine/core/css/CSSMediaRule.idl b/sky/engine/core/css/CSSMediaRule.idl
deleted file mode 100644
index 0f1d76d8a6755054ff8cdaa8ded55c980af266f3..0000000000000000000000000000000000000000
--- a/sky/engine/core/css/CSSMediaRule.idl
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-// Introduced in DOM Level 2:
-interface CSSMediaRule : CSSRule {
-    readonly attribute MediaList media;
-    readonly attribute CSSRuleList cssRules;
-
-    [RaisesException] unsigned long insertRule(DOMString rule, unsigned long index);
-    [RaisesException] void deleteRule(unsigned long index);
-};
-