Ticket 48893 - cn=config should not have readable components to anonymous
    
    Bug Description:  cn=snmp,cn=config shouldn't be readable to anonymous by
    default.
    
    Fix Description:  Remove the allowing acl, and add a test to demonstrate there
    is no cn=config elements readable.
    
    https://fedorahosted.org/389/ticket/48893
    
    Author: wibrown
    
    Review by: nhosoi (Thank you very much!!)