tipc: Remove unused macro TIPC_FWD_MSG

There is no caller in tree any more.
Signed-off-by: NYueHaibing <yuehaibing@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/tipc/socket.c

@@ -52,7 +52,6 @@
 #define NAGLE_START_MAX		1024
 #define CONN_TIMEOUT_DEFAULT    8000    /* default connect timeout = 8s */
 #define CONN_PROBING_INTV	msecs_to_jiffies(3600000)  /* [ms] => 1 h */
-#define TIPC_FWD_MSG		1
 #define TIPC_MAX_PORT		0xffffffff
 #define TIPC_MIN_PORT		1
 #define TIPC_ACK_RATE		4       /* ACK at 1/4 of of rcv window size */