[OVA]Destroy the Packer VM once image build is successful

[DimpleRajaVamsi]

What steps did you take and what happened:
Triggered Photon 3/Ubuntu 22.04 EFI OVA targets and after the OVA is successfully generated Packer VM still exists on the vCenter.

What did you expect to happen:
Packer VM to be deleted from the vCenter inventory.

Anything else you would like to add:

destory parameter the vsphere-iso/vsphere-clone can be used to clean up the Packer VM after successful OVA generation.

Environment:

Project (Image Builder for Cluster API):

Additional info for Image Builder for Cluster API related issues:

• OS (e.g. from /etc/os-release, or cmd /c ver): Photon
• Packer Version: 1.9.1
• Packer Provider: vsphere-iso
• Ansible Version: 2.11.5
• Cluster-api version (if using):
• Kubernetes version: (use kubectl version):

/kind bug
[One or more /area label. See https://github.com/kubernetes-sigs/cluster-api/labels?q=area for the list of labels]