Revert "Add openSUSE support" (#2697)

.gitlab-ci.yml

@@ -308,10 +308,6 @@ before_script:
 # stage: deploy-special
   MOVED_TO_GROUP_VARS: "true"
 
-.opensuse_canal_variables: &opensuse_canal_variables
-# stage: deploy-part2
-  MOVED_TO_GROUP_VARS: "true"
-
 
 # Builds for PRs only (premoderated by unit-tests step) and triggers (auto)
 ### PR JOBS PART1
@@ -593,17 +589,6 @@ gce_centos7-calico-ha-triggers:
   when: on_success
   only: ['triggers']
 
-gce_opensuse-canal:
-  stage: deploy-part2
-  <<: *job
-  <<: *gce
-  variables:
-    <<: *gce_variables
-    <<: *opensuse_canal_variables
-  when: manual
-  except: ['triggers']
-  only: ['master', /^pr-.*$/]
-
 # no triggers yet https://github.com/kubernetes-incubator/kargo/issues/613
 gce_coreos-alpha-weave-ha:
   stage: deploy-special