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()

app/active_calls/active_calls.php

@@ -54,10 +54,6 @@ if (!($config instanceof config)) {
 	$config = config::load();
 }
 
-if (!($database instanceof database)) {
-	$database = database::new();
-}
-
 if (!($settings instanceof settings)) {
 	$settings = new settings(['database' => $database, 'domain_uuid' => $domain_uuid, 'user_uuid' => $user_uuid]);
 }