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

Change-Id: I16dfde335816053e5821d5e975b27b6e4819b1a8
Reviewed-on: https://gerrit.libreoffice.org/71135
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>