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

Change-Id: I81917d697adf79b1bd0de4cc262d3cd6bc8eb36f
Reviewed-on: https://gerrit.libreoffice.org/70710
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>