Fix autoload error on Rails 5

Author: bquorning

example_app_generator/generate_action_mailer_specs.rb

@@ -24,11 +24,6 @@ def comment_lines(path, flag, *args)
         end
       end
     end
-
-    if defined?(ActionMailer)
-      # This will force the loading of ActionMailer settings
-      ActionMailer::Base.smtp_settings
-    end
   CODE
   gsub_file 'config/initializers/action_mailer.rb',
             /ExampleApp/,

example_app_generator/spec/support/default_preview_path

@@ -32,7 +32,6 @@ require_file_stub 'config/environment' do
     module ExampleApp
       class Application < Rails::Application
         config.eager_load = false
-        config.eager_load_paths.clear
 
         # Don't care if the mailer can't send.
         config.action_mailer.raise_delivery_errors = false unless ENV['NO_ACTION_MAILER']