Deletes multiple ticket definitions.
All ticket definitions that meet the specified filter criteria are deleted.
This function requires elevated permissions and runs only on the backend and on dashboard pages.
Filter object in the following format:
"filter" : { "fieldName1": "value1" }.
Example:
"filter" : { "eventId": "3d3d5c04-ece0-45a8-85f0-11a58edaa192" }