OCPBUGS-15054: update PTP rest API endpoints

Author: jldohmann

modules/cnf-fast-event-notifications-api-refererence.adoc

@@ -20,9 +20,6 @@ Use the following API endpoints to subscribe the `cloud-event-consumer` DU appli
 * `/api/ocloudNotifications/v1/subscriptions/<subscription_id>`
 - `GET`: Returns details for the specified subscription ID
 
-* `api/ocloudNotifications/v1/subscriptions/status/<subscription_id>`
-- `PUT`: Creates a new status ping request for the specified subscription ID
-
 * `/api/ocloudNotifications/v1/health`
 - `GET`: Returns the health status of `ocloudNotifications` API