Check only role path for NetworkConfig

This also changes local_action syntax to use delegate_to
for uniformity.

Change-Id: Iad3626cee70b3a6f824e9c0d3f7ff0b3a25fd7c9

common/deploy-steps.j2

@@ -538,14 +538,10 @@ outputs:
               tasks:
 {% raw %}
                 - name: Check NetworkConfig script existence
-                  local_action:
-                    module: stat
-                    path: "{{ lookup('first_found', NetworkConfig_paths, errors='ignore') }}"
+                  delegate_to: localhost
+                  stat:
+                    path: "{{ tripleo_role_name ~ '/NetworkConfig' }}"
                   register: NetworkConfig_stat
-                  vars:
-                      NetworkConfig_paths:
-                        - "{{ tripleo_role_name ~ '/' ~ inventory_hostname ~ '/NetworkConfig' }}"
-                        - "{{ tripleo_role_name ~ '/NetworkConfig' }}"
                 - name: Run Network Config
                   import_role:
                     name: tripleo_network_config