Craft\FormBuilder2_TemplateService::deleteTemplateById PHP Method

    public function deleteTemplateById($templateId)
    {
        if (!$templateId) {
            return false;
        }
        $transaction = craft()->db->getCurrentTransaction() === null ? craft()->db->beginTransaction() : null;
        try {
            $record = FormBuilder2_TemplateRecord::model()->findById(array('id' => $templateId));
            $affectedRows = craft()->db->createCommand()->delete('formbuilder2_templates', array('id' => $templateId));
            if ($transaction !== null) {
                $transaction->commit();
            }
            return (bool) $affectedRows;
        } catch (\Exception $e) {
            if ($transaction !== null) {
                $transaction->rollback();
            }
            throw $e;
        }
    }