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

Change-Id: Ic2bd25bcbcc7f5fb6e29ced70fddb74385b5fb2f
Reviewed-on: https://gerrit.libreoffice.org/70077
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>