Remove unicorn config

config/unicorn.rb

@@ -1,17 +0,0 @@
-worker_processes (ENV['UNICORN_WORKERS'] || 3).to_i
-timeout 30
-preload_app true
-
-before_fork do |server, worker|
-  if defined?(ActiveRecord::Base)
-    ActiveRecord::Base.connection.disconnect!
-    Rails.logger.info('Disconnected from ActiveRecord')
-  end
-end
-
-after_fork do |server, worker|
-  if defined?(ActiveRecord::Base)
-    ActiveRecord::Base.establish_connection
-    Rails.logger.info('Connected to ActiveRecord')
-  end
-end