* chore: remove current_admin routes file
* feat: move all the admin routes into the admin file
* chore: remove conditionals for the sidebar and tabbed navbar
* remove some more notes where we use the admin_restructure feature flag
* chore: amend the tests now that the old routes and the admin_restructure flag are removed
* chore: remove more references to the admin_restructure flag
* chore: fix the tests
* chore: remove sidebar_spec
* chore: add slash back
* chore: comment it out for now whilst I try and figure out why its not passing