Bug 626170 - remove unused nsHyperTextAccessible::mLinks, r=davidb, a=2.0

accessible/src/html/nsHyperTextAccessible.h

@@ -371,11 +371,6 @@ protected:
                                  nsIPersistentProperties *aAttributes);
 
 private:
-  /**
-   * Embedded objects collector.
-   */
-  nsAutoPtr<AccCollector> mLinks;
-
   /**
    * End text offsets array.
    */