remove --tls-exit, it requires openvpn in TLS mode

openvpn.c

@@ -675,7 +675,7 @@ StartOpenVPN(connection_t *c)
     _sntprintf_0(cmdline, _T("openvpn "
         "--config \"%s\" --service %s 0 --log%s \"%s\" --auth-retry interact "
         "--management %S %hd stdin --management-query-passwords %s"
-        "--management-hold --tls-exit"), c->config_file, exit_event_name,
+        "--management-hold"), c->config_file, exit_event_name,
         (o.append_string[0] == '1' ? _T("-append") : _T("")), c->log_path,
         inet_ntoa(c->manage.skaddr.sin_addr), ntohs(c->manage.skaddr.sin_port),
         (o.proxy_source != config ? _T("--management-query-proxy ") : _T("")));