Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Demonsthere

helm/charts/kratos/templates/service-statefulset.yaml

@@ -27,8 +27,6 @@ metadata:
 spec:
   type: {{ .Values.service.courier.type }}
   clusterIP: None
-  externalTrafficPolicy: {{ .Values.service.courier.externalTrafficPolicy }}
-  internalTrafficPolicy: {{ .Values.service.courier.internalTrafficPolicy }}
   ports:
     - port: {{ .Values.service.courier.port }}
       targetPort: http-metrics