docker-registry: fix http.addr entry

Signed-off-by: Adam Miller <admiller@redhat.com>

playbooks/groups/docker-registry.yml

@@ -62,7 +62,7 @@
           }
         },
         http: {
-          addr: "*:5000"
+          addr: ":5000"
         },
         when: env == "staging"
       }
@@ -87,7 +87,7 @@
           }
         },
         httpd: {
-          addr: "*:5000"
+          addr: ":5000"
         },
         when: env == "production"
       }