nvme: delete unnecessary fallthru comment

Signed-off-by: Tokunori Ikegami <ikegami.t@gmail.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>

drivers/nvme/host/multipath.c

@@ -431,7 +431,6 @@ static bool nvme_available_path(struct nvme_ns_head *head)
 		case NVME_CTRL_LIVE:
 		case NVME_CTRL_RESETTING:
 		case NVME_CTRL_CONNECTING:
-			/* fallthru */
 			return true;
 		default:
 			break;