Update notes and do not use :sql format.

Author: metaskills

README.md

@@ -16,6 +16,8 @@ Now create the DB and setup the app.
 
 ```shell
 $ bundle install
-$ ./bin/rake db:setup
+$ ./bin/rails db:setup
 ```
 
+
+

config/application.rb

@@ -11,19 +11,5 @@ class Application < Rails::Application
     # Settings in config/environments/* take precedence over those specified here.
     # Application configuration should go into files in config/initializers
     # -- all .rb files in that directory are automatically loaded.
-
-    # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
-    # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
-    # config.time_zone = 'Central Time (US & Canada)'
-
-    # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
-    # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
-    # config.i18n.default_locale = :de
-
-    # Do not swallow errors in after_commit/after_rollback callbacks.
-    config.active_record.raise_in_transactional_callbacks = true
-
-    config.active_record.schema_format = :sql
-
   end
 end