config.ru in capybara-webmock-0.5.0

- old
+ new

@@ -1,12 +1,5 @@
 require 'rack'
 require 'capybara/webmock/proxy'
 
-at_exit { Capybara::Webmock::Proxy.remove_pid }
-
-trap('SIGHUP') {
-  Capybara::Webmock::Proxy.remove_pid
-  exit!
-}
-
 app = Capybara::Webmock::Proxy.new(Process.pid)
 Rack::Handler::WEBrick.run(app, Port: ENV.fetch('PROXY_PORT_NUMBER', 9292))