fix(swarm): remove 503 error workaround

It's not working as it is part of a higher issue

pkg/scaler/docker_swarm.go

@@ -126,14 +126,6 @@ func (scaler *DockerSwarmScaler) isServiceRunningFor(service *swarm.Service, dur
 		return false
 	}
 
-	// Getting 503 first time a workload is woken up https://github.com/acouvreur/sablier/issues/24
-	// Let the service be up for a given duration
-	for _, task := range tasks {
-		if time.Since(task.Status.Timestamp) < (time.Second * 5) {
-			return false
-		}
-	}
-
 	return true
 }