remove spurious logging

internal/sim/player.go

@@ -13,7 +13,6 @@ type player struct {
 }
 
 func (p *player) update(dt time.Duration) {
-	p.Info("tick")
 }
 
 func (p *player) id() int { return p.entityID }

internal/sim/room.go

@@ -16,7 +16,6 @@ type room struct {
 }
 
 func (r *room) update(dt time.Duration) {
-	r.Info("updating room")
 	for _, t := range r.tiles {
 		for _, e := range t.contents {
 			e.update(dt)

internal/sim/world.go

@@ -82,7 +82,6 @@ func (w *World) DespawnPlayer(id int) {
 }
 
 func (w *World) tick(d time.Duration) {
-	w.Info("tick. elapsed: %v", d)
 	for _, r := range w.rooms {
 		r.update(d)
 	}