This change combines the previous puppet and docker files into a single
file that performs the docker service installation and configuration.
With this patch the baremetal version of memcached services has been removed.
Depends-On: https://review.rdoproject.org/r/#/c/16994/
Change-Id: Ibb74d9e1673d079a6090efe4215c7ee041fce7d6
Related-Blueprint: services-yaml-flattening