remove s390 arch during drone workers maintenance

Signed-off-by: Yang Chiu <yang.chiu@suse.com>

.drone.yml

@@ -165,91 +165,6 @@ volumes:
     path: /var/run/docker.sock
 ---
 kind: pipeline
-name: default-s390x
-
-platform:
-  os: linux
-  arch: amd64
-
-node:
-  arch: s390x
-
-trigger:
-  event:
-    exclude:
-    - pull_request
-  branch:
-  - master
-  - main
-  - v*
-
-steps:
-- name: publish-image
-  image: rancher/drone-images:docker-s390x
-  settings:
-    build_args:
-      - "VERSION=${DRONE_COMMIT:0:7}"
-      - ARCH=s390x
-    custom_dns: 1.1.1.1
-    dockerfile: Dockerfile
-    password:
-      from_secret: docker_password
-    repo: longhornio/longhorn-ui
-    tag: "${DRONE_BRANCH}-head-s390x"
-    username:
-      from_secret: docker_username
-  volumes:
-  - name: socket
-    path: /var/run/docker.sock
-  when:
-    event:
-    - push
-
-- name: publish-tagged-image
-  image: rancher/drone-images:docker-s390x
-  settings:
-    build_args:
-      - "VERSION=${DRONE_TAG}"
-      - ARCH=s390x
-    custom_dns: 1.1.1.1
-    dockerfile: Dockerfile
-    password:
-      from_secret: docker_password
-    repo: longhornio/longhorn-ui
-    tag: "${DRONE_TAG}-s390x"
-    username:
-      from_secret: docker_username
-  volumes:
-  - name: socket
-    path: /var/run/docker.sock
-  when:
-    event:
-    - tag
-
-- name: slack_notify
-  image: plugins/slack
-  settings:
-    template: "Build {{build.link}} failed.\n"
-    username: Drone_Publish
-    webhook:
-      from_secret: slack_webhook
-  when:
-    event:
-      exclude:
-      - pull_request
-    instance:
-      include:
-      - drone-publish.longhorn.io
-    status:
-      - failure
-
-volumes:
-- name: socket
-  host:
-    path: /var/run/docker.sock
-
----
-kind: pipeline
 name: manifest
 
 platform:
@@ -276,7 +191,6 @@ steps:
     platforms:
       - linux/amd64
       - linux/arm64
-      - linux/s390x
     target: "longhornio/longhorn-ui:${DRONE_BRANCH}-head"
     template: "longhornio/longhorn-ui:${DRONE_BRANCH}-head-ARCH"
   when:
@@ -295,7 +209,6 @@ steps:
     platforms:
       - linux/amd64
       - linux/arm64
-      - linux/s390x
     target: "longhornio/longhorn-ui:${DRONE_TAG}"
     template: "longhornio/longhorn-ui:${DRONE_TAG}-ARCH"
   when:
@@ -324,4 +237,3 @@ steps:
 depends_on:
 - default-amd64
 - default-arm64
-- default-s390x