remove engine code

Author: jonasjabari

bin/rails

@@ -2,8 +2,6 @@
 # This command will automatically be run when you run "rails" with Rails gems
 # installed from the root of your application.
 
-ENGINE_ROOT = File.expand_path('..', __dir__)
-ENGINE_PATH = File.expand_path('../lib/matestack/ui/bootstrap/engine', __dir__)
 APP_PATH = File.expand_path('../spec/dummy/config/application', __dir__)
 
 # Set up gems listed in the Gemfile.