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

Change-Id: Ia0c79c2455a3b40384332c8c35215671e257a07f
Reviewed-on: https://gerrit.libreoffice.org/70847
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>