container.json: remove from the repository
container.json: remove from the repository

OSBS-8786

Now that container.json is stored in the osbs repo, remove it from
this repo.

Signed-off-by: Mark Langsdorf <eabffbbda805b4d9c4f51a24c4a43943d0f16369@redhat.com>

fr34k8/atomic-reactor,projectatomic/atomic-reactor,fr34k8/atomic-reactor,DBuildService/atomic-reactor,projectatomic/atomic-reactor,DBuildService/atomic-reactor