aoe: remove unused NARGS enum

The NARGS enum is left over from older code versions.

Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c
index 8a7a081..0c543d3 100644
--- a/drivers/block/aoe/aoechr.c
+++ b/drivers/block/aoe/aoechr.c
@@ -15,7 +15,6 @@
 	MINOR_INTERFACES,
 	MINOR_REVALIDATE,
 	MSGSZ = 2048,
-	NARGS = 10,
 	NMSG = 100,		/* message backlog to retain */
 };