Removed redundant .to_string

Co-authored-by: Nathan Ward <43621845+NathanSWard@users.noreply.github.com>

Author: alice-i-cecile

examples/ecs/event_consumer.rs

@@ -46,7 +46,6 @@ fn event_trigger_system(time: Res<Time>, mut my_events: EventWriter<MyEvent>) {
             "This event was sent at {} milliseconds",
             time.time_since_startup().as_millis()
         )
-        .to_string(),
     });
 }