sysdb: remove IDXONE and objectClass from users and groups
This patch does the needed sysdb update for the previous to patches. It
removes the one-level search index IDXONE and replaces objectClass with
objectCategory in the user and group objects.
Related to https://pagure.io/SSSD/sssd/issue/3503
Reviewed-by: Fabiano FidĂȘncio <fidencio@redhat.com>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>