[NET]: net.ipv4.ip_autoconfig sysctl removal

The sysctl net.ipv4.ip_autoconfig is a legacy value that is not used.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ip.h

@@ -147,7 +147,6 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
 struct ipv4_config
 {
 	int	log_martians;
-	int	autoconfig;
 	int	no_pmtu_disc;
 };