fix: remove ServerSideApply from argo-rollouts to resolve CRD drift

SSA causes perpetual OutOfSync on CRDs due to field manager conflicts.
Client-side apply works correctly for Helm charts with CRDs.

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

argocd-apps/argo-rollouts.yaml

@@ -27,17 +27,9 @@ spec:
   destination:
     server: https://kubernetes.default.svc
     namespace: argo-rollouts
-  ignoreDifferences:
-    - group: apiextensions.k8s.io
-      kind: CustomResourceDefinition
-      jqPathExpressions:
-        - .metadata
-        - .spec.versions[]?.schema
   syncPolicy:
     automated:
       prune: true
       selfHeal: true
     syncOptions:
       - CreateNamespace=true
-      - ServerSideApply=true
-      - RespectIgnoreDifferences=true