[IPV4]: Kill references to bogus non-existent CONFIG_IP_NOSIOCRT

Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/fib_frontend.c

@@ -250,8 +250,6 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
 	return -EINVAL;
 }
 
-#ifndef CONFIG_IP_NOSIOCRT
-
 static inline __be32 sk_extract_addr(struct sockaddr *addr)
 {
 	return ((struct sockaddr_in *) addr)->sin_addr.s_addr;
@@ -443,15 +441,6 @@ int ip_rt_ioctl(unsigned int cmd, void __user *arg)
 	return -EINVAL;
 }
 
-#else
-
-int ip_rt_ioctl(unsigned int cmd, void *arg)
-{
-	return -EINVAL;
-}
-
-#endif
-
 struct nla_policy rtm_ipv4_policy[RTA_MAX+1] __read_mostly = {
 	[RTA_DST]		= { .type = NLA_U32 },
 	[RTA_SRC]		= { .type = NLA_U32 },