[REFACTORING] Remove is_generic and except_notif from baskets

modules/basket/basket.php

modules/basket/class/class_admin_basket_Abstract.php

modules/basket/class/class_modules_tools_Abstract.php

modules/notifications/batch/basket_event_stack.php

sql/develop.sql

sql/structure.sql

src/app/template/controllers/TemplateController.php

src/app/template/models/TemplateModelAbstract.php