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

Change-Id: Ie9b605eb5340f9e47a977020a8f3688c2412a3c9
Reviewed-on: https://gerrit.libreoffice.org/66635
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>