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

Change-Id: Ia1b2f0a9c99acc7ac538f3b41c1b6757d414db35
Reviewed-on: https://gerrit.libreoffice.org/66970
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>