rm drone ci

.drone.yml

@@ -1,53 +0,0 @@
----
-kind: pipeline
-name: default
-
-steps:
-  - name: build and publish image
-    image: plugins/docker
-    settings:
-      repo: eumau/dovecot
-      auto_tag: true
-      username:
-        from_secret: dockerhub_username
-      password:
-        from_secret: dockerhub_password
-    when:
-      branch:
-        - master
-
----
-kind: pipeline
-name: pull_request
-
-steps:
-  - name: build image only
-    image: plugins/docker
-    settings:
-      repo: eumau/dovecot
-      auto_tag: true
-      dry_run: true
-
-trigger:
-  event:
-    - pull_request
-
----
-kind: pipeline
-name: tags
-
-steps:
-  - name: docker
-    image: plugins/docker
-    settings:
-      repo: eumau/dovecot
-      username:
-        from_secret: dockerhub_username
-      password:
-        from_secret: dockerhub_password
-      tags:
-        - ${DRONE_TAG}
-
-trigger:
-  event:
-    - tag