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

Change-Id: Ib19d239ac3f48192461aeeb1b1456bda986c11e3
Reviewed-on: https://gerrit.libreoffice.org/54462Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>