Remove jasmine_rails routes

We removed jasmine a long while ago.

spec/dummy/config/routes.rb

@@ -1,10 +1,8 @@
 # frozen_string_literal: true
 
 Rails.application.routes.draw do
+  get "/login" => "login#new", :as => "login"
 
-  mount JasmineRails::Engine => "/specs" if defined?(JasmineRails)
-
-  get '/login' => 'login#new', as: 'login'
   namespace :ns do
     resources :locations, only: :index
   end