Merge pull request #102 from jacobweinstock/update-perms

Remove list permission on secrets for Rufio:

## Description

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This is unneeded and a potential security issue.

## Why is this needed

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Fixes: #96 

## How Has This Been Tested?
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## How are existing users impacted? What migration steps/scripts do we need?

<!--- Fixes a bug, unblocks installation, removes a component of the stack etc -->
<!--- Requires a DB migration script, etc. -->


## Checklist:

I have:

- [ ] updated the documentation and/or roadmap (if required)
- [ ] added unit or e2e tests
- [ ] provided instructions on how to upgrade

tinkerbell/rufio/templates/cluster-role.yaml

@@ -11,7 +11,6 @@ rules:
   - secrets
   verbs:
   - get
-  - list
   - watch
 - apiGroups:
   - bmc.tinkerbell.org