Remove Digital Ocean CI (#5418)

.gitlab-ci.yml

@@ -66,6 +66,5 @@ ci-authorized:
 include:
   - .gitlab-ci/lint.yml
   - .gitlab-ci/shellcheck.yml
-  - .gitlab-ci/digital-ocean.yml
   - .gitlab-ci/terraform.yml
   - .gitlab-ci/packet.yml

.gitlab-ci/digital-ocean.yml

----
-.do_variables: &do_variables
-  PRIVATE_KEY: $DO_PRIVATE_KEY
-  CI_PLATFORM: "do"
-  SSH_USER: root
-
-.do: &do
-  extends: .testcases
-  tags:
-    - do
-
-do_ubuntu-canal-ha:
-  stage: deploy-part2
-  extends: .do
-  variables:
-    <<: *do_variables
-  when: manual
-  except: ['triggers']
-  only: ['master', /^pr-.*$/]

tests/files/do_ubuntu-canal-ha.yml

----
-cloud_image: ubuntu-16-04-x64
-cloud_region: nyc3
-mode: ha
-
-# Deployment settings
-kube_network_plugin: canal
-deploy_netchecker: true
-dns_min_replicas: 1
-# cloud_provider: 'do'