remove webhooks section for now since endpoints aren't public

tutorials/tutorial_workflows_v2.md

@@ -58,22 +58,6 @@ This is how to determine which API endpoints should be used for the specific too
 
 ## Example Known Use Cases
 
-### Webhooks
-
-Instances fire a number of events that can be used as triggers for webhooks. This new event driven system for webhooks doesn't have a UI yet so this section has some info needed for creating a trigger.
-
-The `resource_name` is "Workflow Instance".
-
-The `event_type` can be one of:
-- "STARTED"
-- “CURRENT_STEP_ASSIGNEES_CHANGED”
-- “RESPONSE_RECEIVED”
-- “TRANSITIONED”
-- “ENDED”
-- “TERMINATED”
-- “RESTARTED”
-- “DELETED”
-
 ### Integration Driven Workflow
 
 When routing an instance step with an integration, the integration steps (a step where you expect the integration to chose a path) must have the integration user listed as one of the assignees.