initialization.md in rails-4.2.0.beta2

- old
+ new

@@ -109,20 +109,18 @@
 * bundler
 * erubis
 * i18n
 * mail
 * mime-types
-* polyglot
 * rack
 * rack-cache
 * rack-mount
 * rack-test
 * rails
 * railties
 * rake
 * sqlite3
 * thor
-* treetop
 * tzinfo
 
 ### `rails/commands.rb`
 
 Once `config/boot.rb` has finished, the next file that is required is