An episode is deleted. The payload retains its ID for reconciliation.
POST
{ "type": "episode.deleted", "timestamp": "2019-08-24T14:15:22Z", "attemptedAt": "2019-08-24T14:15:22Z", "webhookEventId": "string", "webhookId": "string", "projectId": "string", "episode": { "id": "string" } }