feature(controller): remove dockerd executable (#432)

controllers/runner_controller.go

@@ -703,7 +703,6 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 		pod.Spec.Containers = append(pod.Spec.Containers, corev1.Container{
 			Name:  "docker",
 			Image: r.DockerImage,
-			Args:  []string{"dockerd"},
 			VolumeMounts: []corev1.VolumeMount{
 				{
 					Name:      "work",