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

Change-Id: I95575d41a822ff7b1ac5bdba03057f6d3fa61b51
Reviewed-on: https://gerrit.libreoffice.org/71141
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>