Remove redundant Puma configuration settings from fresh config/puma.rb files

Co-authored-by: Rafael Mendonça França <[email protected]>

Author: dhh

railties/lib/rails/generators/rails/app/templates/config/puma.rb.tt

@@ -27,19 +27,6 @@
 threads_count = ENV.fetch("RAILS_MAX_THREADS", 3)
 threads threads_count, threads_count
 
-# Specifies the `environment` that Puma will run in.
-rails_env = ENV.fetch("RAILS_ENV", "development")
-environment rails_env
-
-case rails_env
-when "production"
-  preload_app!
-when "development"
-  # Specifies a very generous `worker_timeout` so that the worker
-  # isn't killed by Puma when suspended by a debugger.
-  worker_timeout 3600
-end
-
 # Specifies the `port` that Puma will listen on to receive requests; default is 3000.
 port ENV.fetch("PORT", 3000)