Remove duplicate reana_workflow_controller configuration

[Copilot]

The reana_workflow_controller configuration was defined twice in vre/values.yaml with different images, causing ambiguity about which would be applied.

Changes

• Removed duplicate top-level reana.reana_workflow_controller (lines 343-345)
• Retained properly nested reana.components.reana_workflow_controller (lines 284-289) per REANA Helm chart structure

Before:

reana:
  components:
    reana_workflow_controller:
      image: docker.io/reanahub/reana-workflow-controller:0.9.4
      # ... environment config

  # Duplicate at wrong level
  reana_workflow_controller:
    image: docker.io/volodymyrsavchenko/reana-workflow-controller:latest

After:

reana:
  components:
    reana_workflow_controller:
      image: docker.io/reanahub/reana-workflow-controller:0.9.4
      # ... environment config

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