Background

OU-273 needs to be implemented first. Then the Observabiliity UI Redux actions and reducers in the console codebase (files frontend/public/actions/observe.ts and frontend/public/reducers/observe.ts) can be removed.

Outcomes

Files frontend/public/actions/observe.ts and frontend/public/reducers/observe.ts are removed from the console codebase. (Although some actions/reducers are still used by the Developer console, so those can't be removed until those Dev pages are migrated to the plugin.)