revert changes

Author: glasnt

appengine/websockets/app.rb

@@ -21,13 +21,6 @@
 
 Faye::WebSocket.load_adapter "thin"
 
-# [END gae_flex_websockets]
-# Allows all hosts in development
-configure :development do
-  set :host_authorization, { permitted_hosts: [] }
-end
-
-# [START gae_flex_websockets]
 # For the purposes of this example, use a global variable to keep track of
 # all connected clients in order to send chat messages. This approach limits
 # us to a single server and a single process; a more robust solution would be

appengine/websockets/spec/websockets_spec.rb

@@ -23,7 +23,7 @@
 
 Capybara.register_server :thin do |app, port, host|
   require "rack/handler/thin"
-  Rack::Handler::Thin.run(app, :Port => port, :Host => host, browser_options: {'no-sandbox': nil})
+  Rack::Handler::Thin.run(app, :Port => port, :Host => host)
 end
 
 Capybara.server = :thin