[NET]: Eliminate unused /proc/sys/net/ethernet

The /proc/sys/net/ethernet directory has been sitting empty for more than
10 years! Time to eliminate it!

Signed-off-by: Jes Sorensen <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/ethernet/Makefile

···
 #
 
 obj-y					+= eth.o
-obj-$(CONFIG_SYSCTL)			+= sysctl_net_ether.o
 obj-$(subst m,y,$(CONFIG_IPX))		+= pe2.o
 obj-$(subst m,y,$(CONFIG_ATALK))	+= pe2.o

net/ethernet/sysctl_net_ether.c

···
-/* -*- linux-c -*-
- * sysctl_net_ether.c: sysctl interface to net Ethernet subsystem.
- *
- * Begun April 1, 1996, Mike Shaver.
- * Added /proc/sys/net/ether directory entry (empty =) ). [MS]
- */
-
-#include <linux/mm.h>
-#include <linux/sysctl.h>
-#include <linux/if_ether.h>
-
-ctl_table ether_table[] = {
-	{0}
-};

net/sysctl_net.c

···
 		.mode		= 0555,
 		.child		= core_table,
 	},
-#ifdef CONFIG_NET
-	{
-		.ctl_name	= NET_ETHER,
-		.procname	= "ethernet",
-		.mode		= 0555,
-		.child		= ether_table,
-	},
-#endif
 #ifdef CONFIG_INET
 	{
 		.ctl_name	= NET_IPV4,