xfrm: remove useless forward declarations

Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/xfrm4_state.c

@@ -13,8 +13,6 @@
 #include <linux/ipsec.h>
 #include <linux/netfilter_ipv4.h>
 
-static struct xfrm_state_afinfo xfrm4_state_afinfo;
-
 static int xfrm4_init_flags(struct xfrm_state *x)
 {
 	if (ipv4_config.no_pmtu_disc)

net/ipv6/xfrm6_state.c

@@ -19,8 +19,6 @@
 #include <net/ipv6.h>
 #include <net/addrconf.h>
 
-static struct xfrm_state_afinfo xfrm6_state_afinfo;
-
 static void
 __xfrm6_init_tempsel(struct xfrm_state *x, struct flowi *fl,
 		     struct xfrm_tmpl *tmpl,