Update to changes from PRs #40743 and #40783 (#41031)

Author: richard67

administrator/components/com_admin/script.php

@@ -6624,6 +6624,10 @@ public function deleteUnexistingFiles($dryRun = false, $suppressOutput = false)
             '/plugins/workflow/featuring/featuring.php',
             '/plugins/workflow/notification/notification.php',
             '/plugins/workflow/publishing/publishing.php',
+            // From 4.4.0-alpha1 to 4.4.0-alpha2
+            '/libraries/vendor/jfcherng/php-diff/src/languages/readme.txt',
+            '/plugins/editors-xtd/pagebreak/pagebreak.php',
+
         ];
 
         $folders = [