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

Change-Id: I99f1611f41378a0baa7688db5a5f78e0169f0d5b
Reviewed-on: https://gerrit.libreoffice.org/65649
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>