Revert "Do not forward private domains for upstream resolvers"

roles/kubernetes-apps/ansible/templates/kubedns-rc.yml

@@ -78,16 +78,8 @@ spec:
         - --log-facility=-
         - --cache-size=1000
         - --no-resolv
-        - --server=/{{ dns_domain }}/127.0.0.1#10053
-        - --local=/internal./local./lc./{{ private_domains }}
-{% if upstream_dns_servers is defined %}
-{% for srv in upstream_dns_servers %}
-        - --server={{ srv }}
-{% endfor %}
-{% else %}
-        - --server={{ default_resolver }}
-{% endif %}
-{% if kube_log_level == '4' %}
+        - --server=127.0.0.1#10053
+{% if kube_log_level == 4 %}
         - --log-queries
 {% endif %}
         ports: