Reverted messy attempt at switch to Puma as app server.

config/puma.rb

@@ -1,23 +0,0 @@
-workers 2
-
-threads 2, 4
-
-app_dir = File.expand_path("../..", __FILE__)
-shared_dir = "#{app_dir}/shared"
-
-rails_env = ENV['RAILS_ENV'] || "production"
-environment rails_env
-
-bind "localhost:8080"
-
-stdout_redirect "#{shared_dir}/log/puma.stdout.log", "#{shared_dir}/log/puma.stderr.log", true
-
-pidfile "#{shared_dir}/pids/puma.pid"
-state_path "#{shared_dir}/pids/puma.state"
-activate_control_app
-
-on_worker_boot do
-  require "active_record"
-  ActiveRecord::Base.connection.disconnect! rescue ActiveRecord::ConnectionNotEstablished
-  ActiveRecord::Base.establish_connection(YAML.load_file("#{app_dir}/config/database.yml")[rails_env])
-end