With this patch adding a new argument `--heat-type`
in "overcloud delete" command that will default to `pod` (ephermal
heat) and based on input we will set a var `heat_stack_delete`
which will be passed to cli-overcloud-delete.yaml to decide whether
to run heat stack delete at all.
Depends-On: https://review.opendev.org/c/openstack/tripleo-ansible/+/808537
Closes-bug: #1938618
Change-Id: I74cdac5b96a10ec8baefdf3080fd34e03d8f1933