The friendica constants have been moved to the app class

src/App.php

@@ -58,6 +58,10 @@ use Psr\Log\LoggerInterface;
  */
 class App
 {
+	const PLATFORM = 'Friendica';
+	const CODENAME = 'Giant Rhubarb';
+	const VERSION  = '2022.12-dev';
+
 	// Allow themes to control internal parameters
 	// by changing App values in theme.php
 	private $theme_info = [