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

Change-Id: I444cb71bc3d045072a4b1f9eed279ed7e425a0d4
Reviewed-on: https://gerrit.libreoffice.org/69481
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>