Cannot delete a Configuration before it's been applied EVEN if it fails in init or checkov stages

[lewismarshall]

Describe the bug
It is not possible to delete a Configuration unless the apply has worked (even if only init, or plan has failed).

To Reproduce
Create a private cloud resource with no access secret.
Expected behavior
It's possible to delete the configuration and try again with another one.

[lewismarshall]

Relates to issues:

#1187 and #708