Added post upgrade function for convenience, cleanup

Added post upgrade function for convenience, cleanup obsolete code.

gui/bastille_manager_maintenance.php

@@ -85,9 +85,6 @@ if ($_POST) {
 		$output = [];
 		exec($cmd,$output,$return_val);
 		if($return_val == 0):
-			// Execute extension script after upgrade for convenience.
-			// This will cause the script to early trigger zfs config checks.
-			exec("{$rootfolder}/bastille-init");
 			ob_start();
 			include("{$logevent}");
 			$ausgabe = ob_get_contents();