Revert "sctp: Fix race between OOTB responce and route removal"

This reverts commit 117b8a10, which
was commit 29c4afc4 upstream.  The bug
it fixes upstream clearly doesn't exist in 3.2.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

net/sctp/output.c

@@ -587,8 +587,6 @@ int sctp_packet_transmit(struct sctp_packet *packet)
 	return err;
 no_route:
 	kfree_skb(nskb);
-
-	if (asoc)
 	IP_INC_STATS(&init_net, IPSTATS_MIB_OUTNOROUTES);
 
 	/* FIXME: Returning the 'err' will effect all the associations