Finishing up auth re-write.

laravel/auth.php

@@ -60,16 +60,6 @@ class Auth {
 		}
 	}
 
-	/**
-	 * Run the logout method on all active drivers.
-	 *
-	 * @return void
-	 */
-	public static function logout()
-	{
-		array_walk(static::$drivers, function($d) { $d->logout(); });
-	}
-
 	/**
 	 * Register a third-party authentication driver.
 	 *