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

Change-Id: Id20e0bc42e39f868a7c5d49d756f2ad5e14a86c0
Reviewed-on: https://gerrit.libreoffice.org/66637
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>