openshift: move to Deployment

* remove unused BuildConfig
* rename deploymentconfig.yaml to deployments.yaml

app-config/openshift/buildconfig.yaml

@@ -1,56 +0,0 @@
----
-  kind: "Template"
-  apiVersion: template.openshift.io/v1
-  metadata:
-    name: "caimira-application"
-    creationTimestamp: null
-    annotations:
-      description: "CAiMIRA build config OpenShift template."
-      tags: "caimira-application"
-  labels:
-    template: "caimira-application"
-  objects:
-    -
-      kind: BuildConfig
-      apiVersion: build.openshift.io/v1
-      metadata:
-        name: caimira-router
-        labels:
-          template: "caimira-application"
-      spec:
-        source:
-          type: Git
-          git:
-            ref: ${GIT_BRANCH}
-            uri: ${GIT_REPO}
-          contextDir: app-config/nginx
-        postCommit: {}
-        resources: {}
-        runPolicy: Serial
-        output:
-          to:
-            kind: ImageStreamTag
-            name: 'caimira-router:latest'
-        strategy:
-          sourceStrategy:
-            from:
-              kind: ImageStreamTag
-              name: 'nginx:1.18-ubi8'
-              namespace: openshift
-          type: Source
-        triggers:
-          - type: ImageChange
-            imageChange: {}
-          - type: ConfigChange
-          - generic:
-              secretReference:
-                name: gitlab-caimira-webhook-secret
-            type: Generic
-        nodeSelector: null
-  parameters:
-    - name: GIT_REPO
-      description: The GIT repo URL
-      value: 'https://gitlab.cern.ch/caimira/caimira.git'
-    - name: GIT_BRANCH
-      description: The name of the GIT branch to use when building the app, e.g. `live/caimira-test` in TEST, `master` in prod
-      required: true