Drop docker label from fluentd meta if docker is not presented

Change-Id: Ia870e51b8cccdcf0c46e1b60ee887ddc3dbaa907
Related-PROD: PROD-25933 (PROD:25933)
diff --git a/kubernetes/meta/fluentd.yml b/kubernetes/meta/fluentd.yml
index 3a38245..623fcea 100644
--- a/kubernetes/meta/fluentd.yml
+++ b/kubernetes/meta/fluentd.yml
@@ -16,6 +16,7 @@
       deb: ['td-agent-additional-plugins']
   config:
     label:
+      {%- if pillar.docker is defined %}
       docker:
         filter:
           add_drop_tag:
@@ -25,6 +26,7 @@
             record:
               - name: drop_event
                 value: ${ record.fetch('attrs', {}).fetch('io.kubernetes.pod.name', '') }
+      {%- endif %}
       kubernetes:
         input:
           container: