sctp: Kill SCTP_SOCK_SLEEP_{PRE,POST}, unused.

Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/sctp/sctp.h

@@ -220,8 +220,6 @@ extern struct kmem_cache *sctp_bucket_cachep __read_mostly;
 #define sctp_release_sock(sk)    release_sock(sk)
 #define sctp_bh_lock_sock(sk)    bh_lock_sock(sk)
 #define sctp_bh_unlock_sock(sk)  bh_unlock_sock(sk)
-#define SCTP_SOCK_SLEEP_PRE(sk)  SOCK_SLEEP_PRE(sk)
-#define SCTP_SOCK_SLEEP_POST(sk) SOCK_SLEEP_POST(sk)
 
 /* SCTP SNMP MIB stats handlers */
 DECLARE_SNMP_STAT(struct sctp_mib, sctp_statistics);