Remove secrets example in the app from code monitoring getting started page

Created by: benvenker

In light of the latest discovery on code monitors, we should remove that example from the app. I have already created a PR to remove that example from the docs. A better example to highlight might be watching for consumers of deprecated endpoints.

@camdencheek should we also update the verbiage on the getting started page to reflect our chat in Slack? Seems like we should since we're changing messaging on other teams.

Where to make initial changes: