Ticket 50595 - remove syslog.target requirement
    
    Bug Description: Syslog.target is removed in newer systemd versions.
    
    Fix Description: Remove the target because it's no longer relevant.
    
    https://pagure.io/389-ds-base/issue/50595
    
    Author: William Brown <william@blackhats.net.au>
    
    Review by: mhonek (Thanks)