Remove database app_name and app_uuid (#7562)

- Remove database app_name, app_uuid
  - This is handled automatically by the database class
- Remove redundant database::new()

core/databases/databases.php

@@ -38,9 +38,6 @@
 		exit;
 	}
 
-//connect to database
-	$database = database::new();
-
 //add multi-lingual support
 	$language = new text;
 	$text = $language->get();