fix(replicated): remove helm-charts section now managed by helmchart.yaml

The helm-charts section was generating a conflicting HelmChart CR with
no chartVersion, causing the helm-archive-missing errors. helmchart.yaml
(kots.io/v1beta2) is now the explicit source of truth for the chart CR.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: aa-replicated

.replicated

@@ -5,9 +5,3 @@ channels:
   - name: Unstable
   - name: Beta
   - name: Stable
-helm-charts:
-  - name: gameshelf
-    path: .
-    values:
-      - key: image.tag
-        value: repl{{ .VersionLabel }}