Fix authentication.

app/controllers/application_controller.rb

@@ -4,17 +4,6 @@ class ApplicationController < ActionController::Base
 
   protect_from_forgery
 
-  def sign_in(user)
-    if user
-      cookies[:remember_token] = {
-        :value => user.remember_token,
-        :expires => Clearance.configuration.cookie_expiration.call,
-        :secure => true
-      }
-      self.current_user = user
-    end
-  end
-
   def set_mobile_format
     if is_mobile_device? # && !request.xhr?
       request.format = session[:mobile_view] == false ? :html : :mobile