Remove unused includes from core/html .cpp files

Source/core/html/HTMLImageLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
  *
  * 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.
  *
@@ skipping 11 matching lines @@
 #include "config.h"
 #include "core/html/HTMLImageLoader.h"
 
 #include "HTMLNames.h"
 #include "core/dom/Element.h"
 #include "core/dom/Event.h"
 #include "core/dom/EventNames.h"
 #include "core/html/HTMLObjectElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/loader/cache/CachedImage.h"
-#include "core/page/Settings.h"
 
 namespace WebCore {
 
 HTMLImageLoader::HTMLImageLoader(Element* node)
     : ImageLoader(node)
 {
 }
 
 HTMLImageLoader::~HTMLImageLoader()
 {
@@ skipping 23 matching lines @@
     RefPtr<Element> element = this->element();
     ImageLoader::notifyFinished(cachedImage);
 
     bool loadError = cachedImage->errorOccurred() || cachedImage->response().httpStatusCode() >= 400;
 
     if (loadError && element->hasTagName(HTMLNames::objectTag))
         static_cast<HTMLObjectElement*>(element.get())->renderFallbackContent();
 }
 
 }