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

Change-Id: I78b0aa6cfc2523c897cf22efe25c2bc431b2b026
Reviewed-on: https://gerrit.libreoffice.org/68968
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>