Removed Nintendo DS support since nobody has volunteered to maintain …

…it for over a year.

CREDITS

@@ -19,9 +19,6 @@ Thanks to everyone who made this possible, including:
 * Holmes Futrell for port of SDL to the iPhone and iPod Touch during the
   Google Summer of Code 2008
 
-* Darren Alton for port of SDL to the Nintendo DS during the Google Summer
-  of Code 2008
-
 * Szymon "Wilku" Wilczek for adding support for multiple mice and tablets
   during the Google Summer of Code 2008