readme: remove npm-registry-based things 📝

readme.md

@@ -2,15 +2,13 @@
 
 **Sends realtime public transport data from a [VDV-453/VDV-454 API](https://www.vdv.de/i-d-s-downloads.aspx) to a [NATS message broker](https://docs.nats.io/)**, so that it can be easily consumed by other applications. Uses [`vdv-453-client`](https://github.com/OpenDataVBB/vdv-453-client) underneath.
 
-[![npm version](https://img.shields.io/npm/v/vdv-453-nats-adapter.svg)](https://www.npmjs.com/package/vdv-453-nats-adapter)
 ![ISC-licensed](https://img.shields.io/github/license/OpenDataVBB/vdv-453-nats-adapter.svg)
-![minimum Node.js version](https://img.shields.io/node/v/vdv-453-nats-adapter.svg)
 
 
 ## Installation
 
 ```shell
-npm install -g vdv-453-nats-adapter
+npm install -g OpenDataVBB/vdv-453-nats-adapter
 ```