Removed invalid backend file

backend.bak.php

@@ -1,11 +0,0 @@
-<?
-if (!array_key_exists('wrenchboard', $GLOBALS)) {
-	$USER = $_SERVER['SCRIPT_FILENAME'];
-	$USER = str_replace('/home', '', $USER);
-	$USER = strtok($USER, '/');
-	if ($USER=='opt') $USER = 'root';
-	// Load API class
-	$wrenchboard_class = 'wrenchboard_api_' . $USER . '\\WrenchBoard';
-	$wrenchboard = new $wrenchboard_class();
-}
-?>