remove example files

examples/docker-compose-cronjob.yaml

@@ -1,14 +0,0 @@
-version: '3'
-
-services:
-  challenge:
-    image: busybox:stable-glibc
-    labels:
-      kompose.cronjob.schedule: "* * * * *"
-      kompose.cronjob.concurrency_policy: "Forbid"
-      kompose.cronjob.backoff_limit: "0"
-    command:
-      - "bash"
-      - "-c"
-      - "echo hello from cron"
-    restart: "no"