The flag has been removed in Kubernetes version 1.16.x for which users
should use Podman but to continue to use Fedora Atomic without
use_podman=true which means using Docker 1.13.x, ServiceAccount tokens
cannot be propagated without using the --containerized flag when
use_podman=false.
This flag should not have been removed in
I3efd4e55e885b95721f13279b44dc1246e2fd2e4.
Story: 2006846
Task: 37434
Change-Id: I5ccef63de928ff01d10dc4cc500d0e1583eb0378