Update compose.production.yaml (#10296)

removing deleted /opt/olsystem/etc/cron-jobs.env removed in https://github.com/internetarchive/olsystem/pull/247/files

Author: mekarpeles

compose.production.yaml

@@ -126,8 +126,6 @@ services:
     user: root
     command: docker/ol-cron-start.sh
     restart: unless-stopped
-    env_file:
-      - ../olsystem/etc/cron-jobs.env
     volumes:
       - ../olsystem/etc/cron.d/openlibrary.ol_home0:/etc/cron.d/openlibrary.ol_home0:ro
       - ../olsystem:/olsystem