we don't need to check for nullptr here, it's never null.

Change-Id: I3cc5337a8f4dec6747821679e39ccba3cec20f56
Reviewed-on: https://gerrit.libreoffice.org/55114Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>