Remove references to rjsmin in UI compile.sh
    
    It specifically referenced using Python rjsmin while the
    actual script would pick the minimizer based on the underlying
    distribution.
    
    https://pagure.io/freeipa/issue/8669
    
    Signed-off-by: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
    Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>