Remove a lot of dead code from AXNodeObject

Source/core/accessibility/AXImageMapLink.cpp

Index: Source/core/accessibility/AXImageMapLink.cpp
diff --git a/Source/core/accessibility/AXImageMapLink.cpp b/Source/core/accessibility/AXImageMapLink.cpp
index 02ce023193c714f81f7e1819fd2913e057e3a543..b45600d720b1ce57f2552ebc132c678fba1b171b 100644
--- a/Source/core/accessibility/AXImageMapLink.cpp
+++ b/Source/core/accessibility/AXImageMapLink.cpp
@@ -99,21 +99,6 @@ KURL AXImageMapLink::url() const
     return m_areaElement->href();
 }
 
-void AXImageMapLink::accessibilityText(Vector<AccessibilityText>& textOrder)
-{
-    String description = accessibilityDescription();
-    if (!description.isEmpty())
-        textOrder.append(AccessibilityText(description, AlternativeText));
-
-    const AtomicString& titleText = getAttribute(titleAttr);
-    if (!titleText.isEmpty())
-        textOrder.append(AccessibilityText(titleText, TitleTagText));
-
-    const AtomicString& summary = getAttribute(summaryAttr);
-    if (!summary.isEmpty())
-        textOrder.append(AccessibilityText(summary, SummaryText));
-}
-
 String AXImageMapLink::accessibilityDescription() const
 {
     const AtomicString& ariaLabel = getAttribute(aria_labelAttr);