net/smc: Remove redundant refcount increase

For passive connections, the refcount increment has been done in
smc_clcsock_accept()-->smc_sock_alloc().

Fixes: 3b2dec26 ("net/smc: restructure client and server code in af_smc")
Signed-off-by: NYacan Liu <liuyacan@corp.netease.com>
Reviewed-by: NTony Lu <tonylu@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220830152314.838736-1-liuyacan@corp.netease.comSigned-off-by: NPaolo Abeni <pabeni@redhat.com>

net/smc/af_smc.c

@@ -1855,7 +1855,6 @@ static void smc_listen_out_connected(struct smc_sock *new_smc)
 {
 	struct sock *newsmcsk = &new_smc->sk;
 
-	sk_refcnt_debug_inc(newsmcsk);
 	if (newsmcsk->sk_state == SMC_INIT)
 		newsmcsk->sk_state = SMC_ACTIVE;