removed goroutine leak

game.go

@@ -14,7 +14,6 @@ type game struct {
 	splosions     map[*bot.Splosion]bool
 	register      chan *player
 	unregister    chan *player
-	robot_id      chan int
 	turn          int
 	width, height float64
 	spectators    map[*Spectator]bool
@@ -39,16 +38,7 @@ func NewGame(id string, width, height float64) *game {
 		sunregister: make(chan *Spectator),
 		kill:        make(chan bool, 128),
 	}
-
-	g.robot_id = make(chan int)
-	go func() {
-		for i := 0; ; i++ {
-			g.robot_id <- i
-		}
-	}()
-
 	return g
-
 }
 
 func (g *game) run() {