kill RTM_Losing in route6d

[Claudio Jeker]

See subject, it is not using it in any sensible way.

-- 
:wq Claudio

Index: route6d.c
===================================================================
RCS file: /cvs/src/usr.sbin/route6d/route6d.c,v
retrieving revision 1.96
diff -u -p -r1.96 route6d.c
--- route6d.c   1 Jul 2018 15:42:37 -0000       1.96
+++ route6d.c   11 Jul 2018 20:28:36 -0000
@@ -1604,7 +1604,6 @@ rtrecv(void)
        case RTM_ADD:
                rtable++;
                return;
-       case RTM_LOSING:
        case RTM_MISS:
        case RTM_RESOLVE:
        case RTM_GET:
@@ -1641,7 +1640,6 @@ rtrecv(void)
        case RTM_NEWADDR:
        case RTM_IFINFO:
        case RTM_ADD:
-       case RTM_LOSING:
        case RTM_MISS:
        case RTM_RESOLVE:
        case RTM_GET:
@@ -2256,7 +2254,6 @@ do { \
        RTTYPE("DELETE", RTM_DELETE);
        RTTYPE("CHANGE", RTM_CHANGE);
        RTTYPE("GET", RTM_GET);
-       RTTYPE("LOSING", RTM_LOSING);
        RTTYPE("REDIRECT", RTM_REDIRECT);
        RTTYPE("MISS", RTM_MISS);
        RTTYPE("RESOLVE", RTM_RESOLVE);