ipv4: Remove extraneous assignment of dst->tclassid.

We already set it several lines above.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/route.c

@@ -2327,9 +2327,6 @@ out:	return err;
 	rth->rt_key_tos	= tos;
 	rth->rt_dst	= daddr;
 	rth->rt_src	= saddr;
-#ifdef CONFIG_IP_ROUTE_CLASSID
-	rth->dst.tclassid = itag;
-#endif
 	rth->rt_route_iif = dev->ifindex;
 	rth->rt_iif	= dev->ifindex;
 	rth->rt_oif	= 0;