Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.

Change-Id: I92cfd8d09ca8229764db4200568b96a62e2ab21e
Reviewed-on: https://gerrit.libreoffice.org/59742
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>