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

Change-Id: If1b2e04872eb0dd6725802c1709a9085f4cd8c91
Reviewed-on: https://gerrit.libreoffice.org/64141
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>