[src/trunk]: src/sys/dev/dm dm: Remove unused macro DM_CMD_LEN

[tkusumi <tkusumi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4270ae319a9e
branches:  trunk
changeset: 465769:4270ae319a9e
user:      tkusumi <tkusumi%NetBSD.org@localhost>
date:      Tue Dec 03 15:03:14 2019 +0000

description:
dm: Remove unused macro DM_CMD_LEN

that was added but never used in both NetBSD and DragonFlyBSD.
taken-from: DragonFlyBSD

diffstat:

 sys/dev/dm/netbsd-dm.h |  4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diffs (18 lines):

diff -r 07d92323a714 -r 4270ae319a9e sys/dev/dm/netbsd-dm.h
--- a/sys/dev/dm/netbsd-dm.h    Tue Dec 03 14:41:00 2019 +0000
+++ b/sys/dev/dm/netbsd-dm.h    Tue Dec 03 15:03:14 2019 +0000
@@ -1,4 +1,4 @@
-/*        $NetBSD: netbsd-dm.h,v 1.8 2017/06/04 08:50:27 mbalmer Exp $      */
+/*        $NetBSD: netbsd-dm.h,v 1.9 2019/12/03 15:03:14 tkusumi Exp $      */
 
 /*
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -35,8 +35,6 @@
 #include <sys/ioccom.h>
 #include <prop/proplib.h>
 
-#define DM_CMD_LEN 16
-
 #define DM_IOCTL 0xfd
 
 #define DM_IOCTL_CMD 0