Xcode 5 fixing, part 1.

Need someone on xcode 4.x to confirm this works.

Once this file gets fixed, the others will be removed.

src/archutils/Darwin/HIDDevice.h

@@ -43,18 +43,6 @@ inline Boolean LongValue( CFTypeRef o, long &n )
 	return CFNumberGetValue( CFNumberRef(o), kCFNumberLongType, &n );
 }
 
-namespace __gnu_cxx
-{
-	template<>
-	struct hash<IOHIDElementCookie> : private hash<uintptr_t>
-	{
-		size_t operator()( const IOHIDElementCookie& cookie ) const
-		{
-			return hash<unsigned long>::operator()( uintptr_t(cookie) );
-		}
-	};
-}
-
 /* This is just awful, these aren't objects, treating them as such
  * leads to: (*object)->function(object [, argument]...)
  * Instead, do: CALL(object, function [, argument]...)