message: remove no longer relevant piece of documentation comment
diff: @@ -362,9 +362,7 @@ impl event::EventHandler for MainState {
  self.render_light(ctx, light, center, canvascenter)?;
  // Now lets finally render to screen starting with out background, then
  - // the shadows and lights overtop and finally our foreground. Note that we set the
  - // light color as the color for our render giving everything the "tint"
  - // we desire.
  + // the shadows and lights overtop and finally our foreground.
  graphics::set_canvas(ctx, None);
  graphics::set_color(ctx, graphics::WHITE)?;
  graphics::set_blend_mode(ctx, BlendMode::Alpha)?;
  