Remove old Backbone.Router usage entirely.

Review Request #9676 — Created Feb. 19, 2018 and submitted

Information

student-sonar
master
37f525f...

Reviewers

Now that all the routes are created through React/react-router, we no
longer need the shim between Backbone.Router and react-router. This
change gets rid of all of that.

Flipped through all the different views and links and saw everything
update appropriately.

david
david
david
Review request changed
Status:
Completed
Change Summary:
Pushed to master (2cefa1f)