Bug 33837: Remove datetime parameter

Bug 33837: Remove datetime parameter

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
[EDIT] Perltidied one line in cleanup_database.pl.

Bug 33837: Perl tidy block in Objects.t

WARN   t/db_dependent/Koha/Objects.t
   WARN   tidiness
                The file is less tidy than before (bad/messy lines before: 319, now: 320)

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>