remove two useless lines of code

app/controllers/application_controller.rb

@@ -3,8 +3,6 @@
 #   the COPYRIGHT file.
 
 class ApplicationController < ActionController::Base
-  include LanguageHelper
-
   protect_from_forgery :except => :receive
 
   before_filter :set_friends_and_status, :except => [:create, :update]

app/models/user.rb

@@ -19,7 +19,6 @@ class User
   include MongoMapper::Document
   include Diaspora::UserModules
   include Encryptor::Private
-  include LanguageHelper
 
   plugin MongoMapper::Devise
 

config/languages.yml

@@ -14,4 +14,4 @@ available:
   ro: 'Română'
   ru: 'Россию'
   sv: 'Svenska'
-  tr: 'Türk'
+  tr: 'Türk'