Removing some classes that are already loaded using autoload

main/newscorm/back_compat.inc.php

@@ -11,8 +11,5 @@
  * Code
  */
 require_once '../inc/global.inc.php';
-require_once api_get_path(LIBRARY_PATH).'document.lib.php';
 require_once api_get_path(LIBRARY_PATH).'fileDisplay.lib.php';
-require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php'; // replace_dangerous_char()
+require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php'; // replace_dangerous_char()
-require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php'; // check_name_exists()
-require_once api_get_path(LIBRARY_PATH).'pclzip/pclzip.lib.php';