BUG/MINOR: tcp-check: don't condition data polling on check type

tcp_check_main() would condition the polling for writes on check->type,
but this is absurd given that check->type == PR_O2_TCPCHK_CHK since this
is the only way we can get there! This patch removes this confusing test.
diff --git a/src/checks.c b/src/checks.c
index 03ddb26..f6fb23d 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -2496,7 +2496,7 @@
 
 			ret = SN_ERR_INTERNAL;
 			if (proto->connect)
-				ret = proto->connect(conn, check->type, (check->type) ? 0 : 2);
+				ret = proto->connect(conn, 1, 0);
 			conn->flags |= CO_FL_WAKE_DATA;
 			if (check->current_step->conn_opts & TCPCHK_OPT_SEND_PROXY) {
 				conn->send_proxy_ofs = 1;