deleteField 
  Deletes a field from a cases template. You can delete up to 100 fields per domain.
After a field is deleted:
- You can still retrieve the field by calling - BatchGetField.
- You cannot update a deleted field by calling - UpdateField; it throws a- ValidationException.
- Deleted fields are not included in the - ListFieldsresponse.
- Calling - CreateCasewith a deleted field throws a- ValidationExceptiondenoting which field IDs in the request have been deleted.
- Calling - GetCasewith a deleted field ID returns the deleted field's value if one exists.
- Calling - UpdateCasewith a deleted field ID throws a- ValidationExceptionif the case does not already contain a value for the deleted field. Otherwise it succeeds, allowing you to update or remove (using- emptyValue: {}) the field's value from the case.
- GetTemplatedoes not return field IDs for deleted fields.
- GetLayoutdoes not return field IDs for deleted fields.
- Calling - SearchCaseswith the deleted field ID as a filter returns any cases that have a value for the deleted field that matches the filter criteria.
- Calling - SearchCaseswith a- searchTermvalue that matches a deleted field's value on a case returns the case in the response.
- Calling - BatchPutFieldOptionswith a deleted field ID throw a- ValidationException.
- Calling - GetCaseEventConfigurationdoes not return field IDs for deleted fields.