Remove redundant usage of hieradata

The memcached::listen_ip_uri key in hieradata is used to define value
of the different hieradata key so is not really necessary.

Change-Id: Idddd87459ee8723dd016fc024dad2fcc37337fa3

deployment/memcached/memcached-container-puppet.yaml

@@ -199,16 +199,6 @@ outputs:
                       - is_ipv6
                       - 'notls:[::1]:11211'
                       - 'notls:127.0.0.1:11211'
-            memcached::listen_ip_uri:
-              - if:
-                - is_ipv6
-                - '::1'
-                - '127.0.0.1'
-              - str_replace:
-                  template:
-                    "%{lookup('$NETWORK_uri')}"
-                  params:
-                    $NETWORK: {get_param: [ServiceNetMap, MemcachedNetwork]}
             memcached::tcp_port: {get_param: MemcachedPort}
             memcached::max_connections: {get_param: MemcachedMaxConnections}
             memcached::max_memory: {get_param: MemcachedMaxMemory}
@@ -238,7 +228,16 @@ outputs:
               - memcached
             collectd::plugin::memcached::instances:
               local:
-                host: "%{lookup('memcached::listen_ip_uri')}"
+                host:
+                  - if:
+                    - is_ipv6
+                    - '::1'
+                    - '127.0.0.1'
+                  - str_replace:
+                      template:
+                        "%{lookup('$NETWORK_uri')}"
+                      params:
+                        $NETWORK: {get_param: [ServiceNetMap, MemcachedNetwork]}
                 port: # collectd has no support to Memcached+TLS yet.
                   - if:
                     - enable_non_tls_port