Description:

Steps to reproduce:

1. Add policy retention for channels or private groups
2. Wait
3. Wait
4. Message are not removed

Expected behavior:

Message shoud be removed.

Actual behavior:

Policy retention was configured since 1 month ago, so should by good for crons. I can see this log in my log file:
[34mI20181205-09:15:21.027(1) rocketchat_logger rocketchat_logger.js:299 �[34mSyncedCron ➔ info Scheduled "Prune old messages by retention policy" next run @Thu Dec 06 2018 00:00:00 GMT+0100 (CET)

Actual policy retention is configured for 3 months, but I can see message from 1st january 2018.

Server Setup Information:

• Version of Rocket.Chat Server: 0.72.1
• Operating System: Debian
• Deployment Method: tar
• Number of Running Instances: 1
• DB Replicaset Oplog: disable
• NodeJS Version: 8.12.0
• MongoDB Version: no idea