Remove a old conditional case.

templates/config.inc.php.j2

@@ -61,7 +61,6 @@ $config['smtp_server'] = '{{ roundcube_smtp_server }}';
 // deprecated SSL over SMTP (aka SMTPS))
 $config['smtp_port'] = {{ roundcube_smtp_port }};
 
-{% if roundcube_smtp_automatic_credentials %}
 // SMTP username (if required) if you use %u as the username Roundcube
 // will use the current username for login
 {% if roundcube_smtp_automatic_credentials %}