Stop redirecting /how-to-vote parts to the front

We'll be reverting to using a multipart guide once polls have closed. This
redirect is a bit of courtesy rather than anything crucial, so it's fine to
turn it off a little ahead of time.

config/routes.rb

@@ -20,9 +20,6 @@
 
   get "/government/uploads/*path" => "asset_manager_redirect#show", format: false
 
-  # Testing guides as a single page so we redirect parts to the default page
-  get "/how-to-vote/:chapter", to: redirect("/how-to-vote#%{chapter}")
-
   get "*path/:variant" => "content_items#show",
       constraints: {
         variant: /print/,