Original issue opened via ACM GitHub.

Description of the problem:
When we create a cluster via hive provision, it creates VM resources and a unique template for the ocp image.

When we destroy the cluster, we should also destroy the template along with the resources if it still exists, otherwise the number of templates will grow as more clusters are provisioned and templates are not maintained by the user.

Release version:
ACM 2.5.0-DOWNSTREAM-2022-03-20-13-11-01

OCP version:
RHV 4.10

Browser Info:

Steps to reproduce:

1. Create RHV cluster via hive
2. Destroy RHV Cluster
3. observe on ovirt backend that VMs are destroyed but the image template isn't.