Drop HAUSNRBEREICH?

[nebulon42]

https://github.com/scubbx/convert-bev-address-data-python/blob/master/convert-addresses.py#L180

I'm not sure why this is a part of the house number? Isn't this just informational?

[scubbx]

My intent was to quickly create a housenumber-string with the most important information. I will take a look at the content of the HAUSNRBEREICH.