fix v3.0.0 link for federate_unlisted setting
### IMPORTANT NOTES
- * Update the default configuration to not federate unlisted videos. We recommend to admins to update [this setting](https://github.com/Chocobozzz/PeerTube/blob/develop/config/production.yaml.example#L182)
+ * Update the default configuration to not federate unlisted videos. We recommend to admins to update [this setting](https://github.com/Chocobozzz/PeerTube/blob/develop/config/production.yaml.example#L196)
* Update the default configuration to remove remote video views to reduce DB size and improve performances. We recommend to admins to update [this setting](https://github.com/Chocobozzz/PeerTube/blob/develop/config/production.yaml.example#L170)
* Remove deprecated video abuse API