End if for es template

ansible/roles/stack-monitor-stateful/templates/alertrules.es.yml

@@ -22,7 +22,7 @@ groups:
     annotations:
       description: There are only {% raw %}{{$value}}{% endraw %} < {{ groups['log-es'] | length }} ElasticSearch nodes running
       summary: ElasticSearch running on less than {{ groups['log-es'] | length }} nodes
-{% endfor %}
+{% endif %}
   - alert: elasticsearch_heap_too_high
     expr: elasticsearch_jvm_memory_used_bytes{area="heap"} / elasticsearch_jvm_memory_max_bytes{area="heap"} > 0.9
     for: 1m