### Milestones/checkpoints
- [x] Git extraction functionality is removed.
- [x] Reviewers API to retrieve code for a version and related code is removed
- [x] Documentation is updated
Checks
[X] If I have identified that the work is specific to a repository, I have removed "repository:addons-server" or "repository:addons-frontend"
Description
Following the decommission of code-manager.
Acceptance Criteria
Checks
┆Issue is synchronized with this Jira Task