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

Change-Id: I7eeb4529d521e4ff6616507c7f68cbff155ea729
Reviewed-on: https://gerrit.libreoffice.org/55838
Tested-by: Jenkins
Reviewed-by: Jochen Nitschke <j.nitschke+logerrit@ok.de>