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

Change-Id: I43882919048c23e9b8d305f8cbba8f120207bb93
Reviewed-on: https://gerrit.libreoffice.org/54824Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>