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

Change-Id: I6c1041f261ba5a6f81efd3dcbc12baf2746e1839
Reviewed-on: https://gerrit.libreoffice.org/71217
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>