Auto remove migrate job when finished

Author: vdboor

deployment/kustomize/base/migrate-job.yml

@@ -3,6 +3,7 @@ kind: Job
 metadata:
   name: fluentdemo-migrate
 spec:
+  ttlSecondsAfterFinished: 600
   template:
     metadata:
       labels:
@@ -11,7 +12,6 @@ spec:
         sentry-client: "true"
         smtp-client: "true"
     spec:
-      # alpha: ttlSecondsAfterFinished: 600
       restartPolicy: OnFailure
       containers:
         - name: migrate