unbound does not depend on openresolv

But make sure the config file exists so Unbound doesn't choke when
starting.

roles/unbound/meta/main.yml

@@ -1,5 +1,4 @@
 ---
 dependencies:
-  - { role: openresolv }
   - { role: systemd }
   - { role: nmtrust }

roles/unbound/tasks/main.yml

@@ -10,6 +10,11 @@
     dest: /etc/unbound/root.hints
     force: yes
 
+- name: Verify unbound resolvconf config file exists
+  file:
+    path: /etc/unbound/resolvconf.conf
+    state: touch
+
 - name: Copy Unbound configuration file
   template:
     src: unbound.conf.j2