Remove reference to Pi MusicBox

README.md

@@ -191,7 +191,7 @@ For Windows, there's [Snap.Net](https://github.com/stijnvdb88/snap.net), a contr
 ## Setup of audio players/server
 
 Snapcast can be used with a number of different audio players and servers, and so it can be integrated into your favorite audio-player solution and make it synced-multiroom capable.
-The only requirement is that the player's audio can be redirected into the Snapserver's fifo `/tmp/snapfifo`. In the following configuration hints for [MPD](http://www.musicpd.org/) and [Mopidy](https://www.mopidy.com/) are given, which are base of other audio player solutions, like [Volumio](https://volumio.org/) or [RuneAudio](http://www.runeaudio.com/) (both MPD) or [Pi MusicBox](http://www.pimusicbox.com/) (Mopidy).
+The only requirement is that the player's audio can be redirected into the Snapserver's fifo `/tmp/snapfifo`. In the following configuration hints for [MPD](http://www.musicpd.org/) and [Mopidy](https://www.mopidy.com/) are given, which are base of other audio player solutions, like [Volumio](https://volumio.org/) or [RuneAudio](http://www.runeaudio.com/) (both MPD).
 
 The goal is to build the following chain: