Remove warning about fixed issue #15012

Before You Submit

• I have checked for existing issues and pull requests related to my suggestion.
• I have posted on the Nextcloud Community Help Forum if my suggestion is a troubleshooting scenario or I'm unsure about the solution.

Type of Suggestion

Reporting a mistake

Relevant Documentation Links

https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/activity_configuration.html

Summary

Fixed issue

Details

Nextcloud Members claim the issue is fixed:
nextcloud/groupfolders#1057

Yet, warning persists at:
https://docs.nextcloud.com/server/stable/admin_manual/configuration_server/activity_configuration.html
and
https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/activity_configuration.html

Additional Notes

No response