Remove @media rules.

sky/engine/core/dom/TreeScopeStyleSheetCollection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 40 matching lines @@
     // (and thus can shift to end up before dynamically added DOM content that is also
     // outside the body).
     m_styleSheetCandidateNodes.add(node);
 }
 
 void TreeScopeStyleSheetCollection::removeStyleSheetCandidateNode(Node* node, ContainerNode* scopingNode)
 {
     m_styleSheetCandidateNodes.remove(node);
 }
 
-void TreeScopeStyleSheetCollection::clearMediaQueryRuleSetStyleSheets()
-{
-    for (size_t i = 0; i < m_activeAuthorStyleSheets.size(); ++i) {
-        StyleSheetContents* contents = m_activeAuthorStyleSheets[i]->contents();
-        if (contents->hasMediaQueries())
-            contents->clearRuleSet();
-    }
 }
-
-}