Remove upstreamsvc option from nodelocaldns

* Since we configure the upstream server through ansible templating,
this arugment has no impact on node-cache

roles/kubernetes-apps/ansible/templates/nodelocaldns-daemonset.yml.j2

@@ -44,8 +44,6 @@ spec:
         - {{ nodelocaldns_ip }}
         - -conf
         - /etc/Corefile
-        - -upstreamsvc
-        - coredns
 {% if enable_nodelocaldns_secondary %}
         - -skipteardown
 {% else %}

roles/kubernetes-apps/ansible/templates/nodelocaldns-second-daemonset.yml.j2

@@ -39,7 +39,7 @@ spec:
           requests:
             cpu: {{ nodelocaldns_cpu_requests }}
             memory: {{ nodelocaldns_memory_requests }}
-        args: [ "-localip", "{{ nodelocaldns_ip }}", "-conf", "/etc/Corefile", "-upstreamsvc", "coredns", "-skipteardown" ]
+        args: [ "-localip", "{{ nodelocaldns_ip }}", "-conf", "/etc/Corefile", "-skipteardown" ]
         securityContext:
           privileged: true
 {% if nodelocaldns_bind_metrics_host_ip %}