openshift: Remove Silverblue website

The website is now available at https://fedoraproject.org/silverblue/
The repo for the previous website has been archived:
https://github.com/fedora-silverblue/silverblue-site

playbooks/openshift-apps/silverblue.yml

@@ -1,61 +0,0 @@
-- name: make the app be real
-  hosts: os_control[0]:os_control_stg[0]
-  user: root
-  gather_facts: False
-
-  vars_files:
-    - /srv/web/infra/ansible/vars/global.yml
-    - "/srv/private/ansible/vars.yml"
-    - /srv/web/infra/ansible/vars/{{ ansible_distribution }}.yml
-
-  roles:
-  - role: openshift/project
-    app: silverblue
-    description: teamsilverblue.org static website
-    appowners:
-    - misc
-    - sanja
-    - siosm
-    - tpopela
-  - role: openshift/object
-    app: silverblue
-    template: imagestream.yml
-    objectname: imagestream.yml
-  - role: openshift/object
-    app: silverblue
-    template: buildconfig.yml
-    objectname: buildconfig.yml
-
-  - role: openshift/start-build
-    app: silverblue
-    buildname: silverblue-build
-    objectname: silverblue-build
-
-  - role: openshift/object
-    app: silverblue
-    file: service.yml
-    objectname: service.yml
-
-  - role: openshift/route
-    app: silverblue
-    routename: silverblue
-    host: "teamsilverblue.org"
-    serviceport: 8080-tcp
-    servicename: silverblue
-    when: env == "production"
-
-  - role: openshift/route
-    app: silverblue
-    routename: silverblue
-    host: "silverblue{{ env_suffix }}.fedoraproject.org"
-    serviceport: 8080-tcp
-    servicename: silverblue
-
-  - role: openshift/object
-    app: silverblue
-    file: deploymentconfig.yml
-    objectname: deploymentconfig.yml
-
-  - role: openshift/rollout
-    app: silverblue
-    dcname: silverblue