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

Change-Id: I9e64ad0a20654e2b97de5b23302ce2cab1a09c00
Reviewed-on: https://gerrit.libreoffice.org/66975
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>