* Remove 3box feature and delete ThreeBoxController
Lint locale messages
lavamoat policy updates
* Restore 3Box user trait with value `false`
The 3Box user trait has been restored and hard-coded as `false`. This
ensures that users don't get stuck in our metrics as having this trait.
A deprecation comment has been left in various places for this trait.
* Remove unused state
* Remove additional 3box-related things
* Run `yarn-deduplicate`
* Restore migration that was lost while rebasing
* Remove obsolete override
* Remove additional unused resolutions/dependencies
* Update LavaMoat policies
* Remove obsolete security advisory ignore entries
* Remove 3Box fixture builder method
* Update unit tests
Co-authored-by: Mark Stacey <markjstacey@gmail.com>
