Remove unused RS_LHCOOKIE macro

Added in 2014 110585f259f4974284e531f0a1e121b001a580dc
    Move sending of router solicitations to the kernel; [...]
but never used.

diff --git a/sys/netinet6/nd6.h b/sys/netinet6/nd6.h
index 980524f..a889ccc 100644 (file)
--- a/sys/netinet6/nd6.h
+++ b/sys/netinet6/nd6.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: nd6.h,v 1.79 2022/08/08 17:47:59 kn Exp $     */
+/*     $OpenBSD: nd6.h,v 1.80 2022/11/12 02:53:17 kn Exp $     */
 /*     $KAME: nd6.h,v 1.95 2002/06/08 11:31:06 itojun Exp $    */
 
 /*
@@ -96,9 +96,6 @@ struct        in6_ndifreq {
 #define ND_IFINFO(ifp) \
        (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->nd_ifinfo)
 
-#define RS_LHCOOKIE(ifp) \
-       ((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->rs_lhcookie
-
 struct llinfo_nd6 {
        TAILQ_ENTRY(llinfo_nd6) ln_list;
        struct  rtentry *ln_rt;