It used to configure /etc/hosts in two different places.
The buildset registry record was added while configuing
Containerd and then this record was removed while
configuring Kubernetes.
The PR adds the buildset registry record to the /etc/hosts
template and the task is moved to the tasks/main.yaml.
Change-Id: I7d1ae6c7d33a33d8ca80b63ef9d69decb283e0a6