Remove some extra middlewares on Rails 4 stack.
Remove some extra middlewares on Rails 4 stack.

When I updated the stack last, I forgot to remove the ones
we should be removing. :sad:

PatrickEifler/rails-api,sideci-sample/sideci-sample-rails-api,bjenkins100/rails-api,joshbedo/rails-api,GHolmes04/rails-api,ipmobiletech/rails-api,ikhakoo/rails-api,rails-api/rails-api,kyaukyuai/rails-api,djom20/rails-api,ryoconnell/rails-api,cyberid41/rails-api