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

Change-Id: I6c3ae806cbb4a00381e39414ff8c8fede5bf1733
Reviewed-on: https://gerrit.libreoffice.org/69150
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>