net: Remove unused tcp_set_state tracepoint

This tracepoint was replaced by inet_sock_set_state in 563e0bb0 and not
used anywhere in the kernel anymore. Remove it.
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/trace/events/tcp.h

@@ -166,53 +166,6 @@ DEFINE_EVENT(tcp_event_sk, tcp_destroy_sock,
 	TP_ARGS(sk)
 );
 
-TRACE_EVENT(tcp_set_state,
-
-	TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
-
-	TP_ARGS(sk, oldstate, newstate),
-
-	TP_STRUCT__entry(
-		__field(const void *, skaddr)
-		__field(int, oldstate)
-		__field(int, newstate)
-		__field(__u16, sport)
-		__field(__u16, dport)
-		__array(__u8, saddr, 4)
-		__array(__u8, daddr, 4)
-		__array(__u8, saddr_v6, 16)
-		__array(__u8, daddr_v6, 16)
-	),
-
-	TP_fast_assign(
-		struct inet_sock *inet = inet_sk(sk);
-		__be32 *p32;
-
-		__entry->skaddr = sk;
-		__entry->oldstate = oldstate;
-		__entry->newstate = newstate;
-
-		__entry->sport = ntohs(inet->inet_sport);
-		__entry->dport = ntohs(inet->inet_dport);
-
-		p32 = (__be32 *) __entry->saddr;
-		*p32 = inet->inet_saddr;
-
-		p32 = (__be32 *) __entry->daddr;
-		*p32 =  inet->inet_daddr;
-
-		TP_STORE_ADDRS(__entry, inet->inet_saddr, inet->inet_daddr,
-			       sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
-	),
-
-	TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s",
-		  __entry->sport, __entry->dport,
-		  __entry->saddr, __entry->daddr,
-		  __entry->saddr_v6, __entry->daddr_v6,
-		  show_tcp_state_name(__entry->oldstate),
-		  show_tcp_state_name(__entry->newstate))
-);
-
 TRACE_EVENT(tcp_retransmit_synack,
 
 	TP_PROTO(const struct sock *sk, const struct request_sock *req),