<!-- Thank you for suggesting an idea to improve this client. * Please add a :+1: or comment on a similar existing feature request instead of opening a new one. * https://github.com/influxdata/influxdb-client-python/issues?utf8=%E2%9C%93&q=is%3Aissue+is%3Aopen+is%3Aclosed+sort%3Aupdated-desc+label%3A%22enhancement%22+ --> __Proposal:__ Add Delete functionality to the api, exposing the `/api/v2/delete` endpoint. __Use case:__ For automated tests, I'd like to be able to send a series of test data to influx, and then clean up afterwards by deleting the data.