remove duplicate audit-policy-file argument in kubeadm configuration (#6734)

roles/kubernetes/master/templates/kubeadm-config.v1beta2.yaml.j2

@@ -162,16 +162,17 @@ apiServer:
     runtime-config: {{ kube_api_runtime_config | join(',') }}
 {% endif %}
     allow-privileged: "true"
+{% if kubernetes_audit or kubernetes_audit_webhook %}
+    audit-policy-file: {{ audit_policy_file }}
+{% endif %}
 {% if kubernetes_audit %}
     audit-log-path: "{{ audit_log_path }}"
     audit-log-maxage: "{{ audit_log_maxage }}"
     audit-log-maxbackup: "{{ audit_log_maxbackups }}"
     audit-log-maxsize: "{{ audit_log_maxsize }}"
-    audit-policy-file: {{ audit_policy_file }}
 {% endif %}
 {% if kubernetes_audit_webhook %}
     audit-webhook-config-file: {{ audit_webhook_config_file }}
-    audit-policy-file: {{ audit_policy_file }}
     audit-webhook-mode: {{ audit_webhook_mode }}
     audit-webhook-batch-max-size: "{{ audit_webhook_batch_max_size }}"
     audit-webhook-batch-max-wait: "{{ audit_webhook_batch_max_wait }}"