Remove Heartbeat middleware

app/middleware/heartbeat.rb

@@ -1,13 +0,0 @@
-class Heartbeat
-  def initialize(app)
-    @app = app
-  end
-
-  def call(env)
-    if env['PATH_INFO'] == '/heartbeat'
-      [200, { 'Content-Type' => 'text/plain' }, ['OK']]
-    else
-      @app.call(env)
-    end
-  end
-end

config/application.rb

@@ -56,11 +56,5 @@ module DanBarberPhoto
       g.test_framework :rspec, fixture: true
       g.fixture_replacement :factory_girl, dir: 'spec/factories'
     end
-
-    if Rails.env.production?
-      # Heartbeat
-      config.middleware.insert_before 0, 'Heartbeat'
-    end
-
   end
 end