* Rename core->free and basic->premium
* Fix lint js
* Comment out portion of test that seems to timeout
* Rename tier to premium if basic is still loaded
* Remove username from UI code
* Remove username from tests
* Remove username from database
* Modify server endpoints for removing username
* Implement backend aspects of removing username
* Update API docs
* Add name to fleetctl
- Update names/roles of users in `make e2e-setup`.
- Update test SSO user info.
- Add Cypress commands for seeding users/Teams.
- Stub Cypress tests for team/tier matrix.
- Include only hosts that the user has access to in search targets API.
- Add parameter to specify whether `observer` hosts should be included.
- Generate counts based on which hosts user can access.
- Update API doc.
- Support both /api/v1/fleet and /api/v1/kolide routes in server.
- Add logging for use of deprecated routes.
- Rename routes in frontend JS.
- Rename routes and add notes in documentation.
* Perform migration to delete any entries with `deleted` set, and
subsequently drop columns `deleted` and `deleted_at`.
* Remove `deleted` and `deleted_at` references.
Closes#2146