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

Change-Id: Ib2301526d7aa6982af6c8c79ed7e9a4c34b7bbf7
Reviewed-on: https://gerrit.libreoffice.org/56491
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>