Switch to Drone template

.drone.yml

@@ -1,16 +1,2 @@
----
+kind: template
-kind: pipeline
+load: docker.yaml
-type: kubernetes
-name: default
-
-steps:
-- name: docker
-  image: plugins/docker
-  settings:
-    repo: harbor.k-space.ee/${DRONE_REPO}
-    registry: harbor.k-space.ee
-    mtu: 1300
-    username:
-      from_secret: docker_username
-    password:
-      from_secret: docker_password