Do not install /etc/nsswitch.conf
    
    Related to: https://fedoraproject.org/wiki/Changes/Make_Authselect_Mandatory
    
    Users are now expected to use authselect to configure the system and packages
    should no longer support non-authselect configurations.
    
    /etc/nsswitch.conf is now owned by authselect.
    
    Resolves: rhbz#2023741