review:refactor: remove ClusterAccess wrapper class

[manusa]

Description

review:refactor: remove ClusterAccess wrapper class

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change
• Chore (non-breaking change which doesn't affect codebase;
  test, version modification, documentation, etc.)

Checklist

• I have read the contributing guidelines
• I signed-off my commit with a user that has signed the Eclipse Contributor Agreement
• I Added CHANGELOG entry
• I have implemented unit tests to cover my changes
• I have updated the documentation accordingly
• No new bugs, code smells, etc. in SonarCloud report
• I tested my code in Kubernetes
• I tested my code in OpenShift