net: sctp: minor: remove dead code from sctp_packet

struct sctp_packet is currently embedded into sctp_transport or
sits on the stack as 'singleton' in sctp_outq_flush(). Therefore,
its member 'malloced' is always 0, thus a kfree() is never called.
Because of that, we can just remove this code.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 64d4698..1bd4c41 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -714,8 +714,7 @@
 	    has_sack:1,		/* This packet contains a SACK chunk. */
 	    has_auth:1,		/* This packet contains an AUTH chunk */
 	    has_data:1,		/* This packet contains at least 1 DATA chunk */
-	    ipfragok:1,		/* So let ip fragment this packet */
-	    malloced:1;		/* Is it malloced? */
+	    ipfragok:1;		/* So let ip fragment this packet */
 };
 
 struct sctp_packet *sctp_packet_init(struct sctp_packet *,