Ticket 50169 - lib389 changed hardcoded systemctl path
    
    Description:  Currently the server is using "/usr/bin/systemctl", but
                  this fails on Debian.  There is no need for a path anyway
                  so jsut strip it.
    
    https://pagure.io/389-ds-base/issue/50169
    
    Reviewed by: mhonek(Thanks!)