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

Change-Id: I6ca0168abc71b4d9b6d332dc0fd8a3c779fdaa87
Reviewed-on: https://gerrit.libreoffice.org/62524
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>