Ref panel: remove unused code and coolCodeIntel feature flag
Created by: oleggromov
Description
Addresses https://github.com/sourcegraph/sourcegraph/issues/13722.
Since we're now using ref panel by default, this PR removes all unused code including coolCodeIntel
feature flag.
Test plan
- Pull the branch
- Run the app locally
sg start web-standalone
- Ensure new ref panel works with/without the feature flag
coolCodeIntel
App preview:
Check out the client app preview documentation to learn more.