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

Change-Id: I9dc920e9388f9e2aa4dcae1f0b3f7562d08f7f70
Reviewed-on: https://gerrit.libreoffice.org/61809
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>