Deprecation of chat commands through IRC

[jbulava]

The original announcement above has been updated to include a phased shutdown timeline leading up to February 24, 2023 as the final date for the change to take effect.

@jbulava

Phased Shutdown Timeline

Leading up to the final date, there will be planned windows of time when chat commands will not function over IRC for developers to test functionality and alert others who may not have been aware of the change. Those windows are as follows:

Date	Window Length	Range (Click to view other timezones)
2023-02-14	3-hour	2023-02-14T18:30:00Z→2023-02-14T21:30:00Z
2023-02-16	5-hour	2023-02-16T18:30:00Z→2023-02-16T23:30:00Z
2023-02-21	24-hour	2023-02-21T18:30:00Z→2023-02-22T18:30:00Z
2023-02-24	Permanent	2023-02-24T18:30:00Z