Update Drone configuration.

.drone.yml

@@ -7,10 +7,9 @@ steps:
   - name: docker
     image: plugins/docker
     settings:
-      docker:
+      registry: code.pztrn.name
-        registry: code.pztrn.name
       username: drone
       password:
         from_secret: drone_secret
-      repo: containers/npf-docker
+      repo: code.pztrn.name/containers/npf-docker
       auto_tag: true