Removing isAuthorized() as there is no need for it once AuthComponent is updated.

cake/libs/controller/components/auth/form_authenticate.php

@@ -30,6 +30,7 @@
  *
  * @package cake.libs.controller.components.auth
  * @since 2.0
+ * @see AuthComponent::$authenticate
  */
 class FormAuthenticate {
 

cake/libs/controller/controller.php

@@ -756,20 +756,6 @@ class Controller extends Object {
 		return call_user_func_array(array(&$this, $action), $args);
 	}
 
-/**
- * Controller callback to tie into Auth component.
- * Only called when AuthComponent::$authorize is set to 'controller'.
- *
- * @return bool true if authorized, false otherwise
- * @link http://book.cakephp.org/view/1275/authorize
- */
-	public function isAuthorized() {
-		trigger_error(sprintf(
-			__('%sController::isAuthorized() is not defined.'), $this->name
-		), E_USER_WARNING);
-		return false;
-	}
-
 /**
  * Returns number of errors in a submitted FORM.
  *