Really remove config.h

sky/engine/core/dom/MutationObserver.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "sky/engine/config.h"
 #include "sky/engine/core/dom/MutationObserver.h"
 
 #include <algorithm>
 #include "base/bind.h"
 #include "sky/engine/bindings/exception_state.h"
 #include "sky/engine/core/dom/ExceptionCode.h"
 #include "sky/engine/core/dom/ExecutionContext.h"
 #include "sky/engine/core/dom/Microtask.h"
 #include "sky/engine/core/dom/MutationCallback.h"
 #include "sky/engine/core/dom/MutationObserverRegistration.h"
@@ skipping 166 matching lines @@
     std::sort(observers.begin(), observers.end(), ObserverLessThan());
     for (size_t i = 0; i < observers.size(); ++i) {
         if (observers[i]->canDeliver())
             observers[i]->deliver();
         else
             suspendedMutationObservers().add(observers[i]);
     }
 }
 
 } // namespace blink