object template.delete(array templateIds)
This method allows to delete templates.
Deleting a template will cause deletion of all template entities (items, triggers, graphs, etc.). To leave template entities with the hosts, but delete the template itself, first unlink the template from required hosts using one of these methods: template.update, template.massupdate, host.update, host.massupdate.
(array) IDs of the templates to delete.
(object) Returns an object containing the IDs of the deleted templates under the
Delete two templates.
CTemplate::delete() in ui/include/classes/api/services/CTemplate.php.