Remove outdated Duo Chat dashboard panels
Remove outdated Duo Chat dashboard panels
These were added on !6105 (merged) but then later the source metrics were renamed on gitlab-org/gitlab!129367 (merged). However, the new metrics were added as an SLI of the Sidekiq service on !6292 (merged), so we're already covered.
Noted in the process of preparing the Duo Chat Readiness Review gitlab-com/gl-infra/readiness!198 (merged)