remove unnecessary code

config/puma.rb

@@ -1,24 +0,0 @@
-# -*- encoding : utf-8 -*-
-base_path  = "/srv/rosa_build"
-
-environment ENV['RAILS_ENV'] || 'production'
-threads *(ENV['PUMA_THREADS'] || '1,6').split(',')
-workers ENV['PUMA_WORKERS'] || 5
-
-pidfile File.join(base_path, 'shared', 'pids', 'unicorn.pid')
-
-preload_app!
-
-on_worker_boot do
-  if defined?(ActiveRecord::Base)
-    ActiveSupport.on_load(:active_record) do
-      ActiveRecord::Base.connection.disconnect! rescue ActiveRecord::ConnectionNotEstablished
-      ActiveRecord::Base.establish_connection
-    end
-    # QC::Conn.connect
-    Rails.logger.info('Connected to PG')
-  end
-
-  # Redis.connect!
-  # Rails.logger.info('Connected to Redis')
-end