[PATCH] [script] drop unused on_draw() function

[Charlie Brej]

On 02/03/10 18:21, Scott James Remnant wrote:
> The on_draw() function inside the script plugin isn't referenced
> anywhere, but references a static function from script-lib-sprite.c;
> if building without optimisation, it's possible that gcc won't elide
> this code so will fail during linking.

Yeah go ahead. This was the old callback that should have been removed 
at the time.