and removing it actually makes chart loading faster, because we now
avoid always instantiaing the ObjectItemSet
Change-Id: I48420bcc38c61e4f6b211724271bc61db0e1f0d0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/126572
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>