Move tests as well, remove public namespace from controller

app/controllers/unsubscribes_controller.rb

-module Public
-  class UnsubscribesController < ApplicationController
+class UnsubscribesController < ApplicationController
   skip_before_filter :authenticate_user!,
                      :reject_blocked, :set_current_user_for_observers,
                      :add_abilities
@@ -20,5 +19,4 @@ module Public
     @email = "#{params[:email]}.#{params[:format]}"
     User.where(email: @email).first
   end
-  end
 end

spec/controllers/public/unsubscribes_controller_spec.rb → spec/controllers/unsubscribes_controller_spec.rb

 require 'spec_helper'
 
-describe Public::UnsubscribesController do
+describe UnsubscribesController do
   let!(:user) { create :user, email: 'me@example.com' }
 
   describe "show" do