remove reference to container_name for OC3.x

Id6d475fd27488998c6ba81d038036e95b8f6787e introduced
erroneous reference to docker container for 3.x deployments.
Also some dead code cleanup has been performed.

PROD-22583

Change-Id: I9e76486c54bf86c94ce9b73df73f0a556f27d6e3
1 file changed