[ARCHIVE] (Migrate) OpenMetrics

[mrbobbytables]

Follow up actions from the thread regarding OpenMetrics folding into Prometheus. The project will be treated as "archived" but migrated into Prometheus.

• [ ] TOC vote to archive passed
• [ ] Move logo to archived on CNCF.io
• [ ] Remove from landscape
• [x] Archive maintainers mailing list
• [x] Remove ML from maintainers@ mailing group
• [ ] Remove/Archive on maintainers.cncf.io (https://github.com/cncf/foundation/pull/825)
• [ ] Remove logo from all slide decks
• [ ] Remove logo from event sites
• [ ] Move logo to archived in artwork
• [ ] Archive DevStats (or archive?)
• [ ] Notify Speakers team to remove from CFPs
• [ ] Remove from service desk or archive (holding off till domain transfer)
• [x] Remove from CNCF store
• [ ] Remove from CLOMonitor data

[krook]

Related: https://github.com/cncf/toc/issues/1242

[mrbobbytables]

All tasks have been completed, going to go ahead and close this out :+1: