Remove debugging code

src/internal.lisp

            (setf (game-state-cursor-x state) (mod (game-state-cursor-x state) width))
            (setf (game-state-cursor-y state) (mod (game-state-cursor-y state) height)))
          (move-cursor *standard-window* (game-state-cursor-x state) (game-state-cursor-y state))
-       until (game-state-quit? state)))
-  (print (game-state-history state)))
+       until (game-state-quit? state))))
 
 (defun start-dev (state)
   (ql:quickload :slynk)