chore(rbac): remove unnecessary rbac secret rule

Pull Request template

Please, go through these steps before you submit a PR.

Why is this PR required? What issue does it fix?: Remove rbac rules on secrets. lvm local pv does not need it.

Does this PR require any upgrade changes?: It does not need upgrade change.

If the changes in this PR are manually verified, list down the scenarios covered:: e2e verified that pipeline completed successfully.

Checklist:

[X] Fixes https://github.com/openebs/lvm-localpv/issues/273
[X ] PR Title follows the convention of <type>(<scope>): <subject>
[ ] Has the change log section been updated?
[ ] Commit has unit tests
[ ] Commit has integration tests
[ ] (Optional) Are upgrade changes included in this PR? If not, mention the issue/PR to track:
[ ] (Optional) If documentation changes are required, which issue on https://github.com/openebs/openebs-docs is used to track them: