Remove some logging.

src/visibility.rs

@@ -176,12 +176,6 @@ impl Viewshed {
         }
         if new_visible_entities != **visible_entities {
             for lost in visible_entities.difference(&new_visible_entities) {
-                if let Ok((_, _, transform)) = visible_query.get(*lost) {
-                    // println!(
-                    // "transition: {:?} loses {:?} at {:?}",
-                    // viewer_entity, lost, transform.translation
-                    // );
-                }
                 events.send(VisibilityChanged::Lost {
                     viewer: *viewer_entity,
                     viewed: *lost,