Helm chart: fix reclaimPolicy and volumeBindingMode

[devinsmith911]

Is this a bug fix or adding new feature?

Bug Fix

What is this PR about? / Why do we need it?

Fixes: #461
Uses the base values for reclaimPolicy and volumeBindingMode in StorageClasses as opposed to looking for a nested value of the same name.

What testing is done?

• helm template -f values.yaml
• Successfully installed the chart on our cluster with values defined in the values.yaml:

  reclaimPolicy: Retain
  volumeBindingMode: Immediate

This change only affects the helm chart.

[k8s-ci-robot]

Hi @devinsmith911. Thanks for your PR.

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[wongma7]

/lgtm
/ok-to-test
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: devinsmith911, wongma7

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