otherwise it will fail with the following message:
```
The CephCluster "rook-ceph" is invalid:
* metadata.finalizers: Invalid value: "": name part must be non-empty
* metadata.finalizers: Invalid value: "": name part must consist of alphanumeric characters, '-',
'_' or '.', and must start and end with an alphanumeric character (e.g. 'MyName', or 'my.name',
or '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]')
* metadata.finalizers: Forbidden: no new finalizers can be added if the object is being deleted,
found new finalizers []string{""}
```
Signed-off-by: Andrey Arapov <andrey.arapov@nixaid.com>
Andrey Arapov
ea36313270