New: hookmanager class is used frequently and is a factory object, so we

can move it during init of environment and use it globally.

htdocs/commande/fiche.php

@@ -84,8 +84,6 @@ if ($id > 0 || ! empty($ref))
 }
 
 // Initialize technical object to manage hooks of thirdparties. Note that conf->hooks_modules contains array array
-include_once DOL_DOCUMENT_ROOT.'/core/class/hookmanager.class.php';
-$hookmanager=new HookManager($db);
 $hookmanager->initHooks(array('ordercard'));