Switch nsslapd-unhashed-pw-switch to nolog
389-ds will change the default value of nsslapd-unhashed-pw-switch from 'on' to 'off'
For new or upgraded IPA instance, in case of winsync deployment the attribute is set
to 'on' and a warning is displayed. Else the attribute is set to 'nolog'
https://pagure.io/freeipa/issue/4812
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>