net/smc: remove unused constant

Constant SMC_CLOSE_WAIT_LISTEN_CLCSOCK_TIME is defined, but since
commit 3d502067 ("net/smc: simplify wait when closing listen socket")
no longer used. Remove it.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/smc/smc_close.c

@@ -20,8 +20,6 @@
 #include "smc_cdc.h"
 #include "smc_close.h"
 
-#define SMC_CLOSE_WAIT_LISTEN_CLCSOCK_TIME	(5 * HZ)
-
 /* release the clcsock that is assigned to the smc_sock */
 void smc_clcsock_release(struct smc_sock *smc)
 {