Remove Microbit-Unity as repo and GH user no longer exists.

README.md

@@ -313,7 +313,6 @@ These languages do not program the micro:bit directly, but can be used to create
 - [Simulink Coder Support Package](https://www.mathworks.com/help/supportpkg/microbit/) - Package that enables you to create Matlab and Simulink models and automatically generate and deploy code on the micro:bit. More info on [this link](https://uk.mathworks.com/academia/courseware/microbit.html).
 - [micro:bit for Dyalog APL on the Pi](https://github.com/APLPi/microbit) - Tools for using the micro:bit (via MicroPython serial connection) with the Dyalog APL programming language on the Raspberry Pi.
 - [Gobot](https://gobot.io/documentation/platforms/microbit/) - Framework for the Go programming language to program devices in the real world. It can access the micro:bit via Bluetooth LE.
-- [Microbit-Unity](https://github.com/bLiGM/Microbit-Unity) - Unity scripts to allow the BBC micro:bit to be used as a Unity Controller.
 - [Haxe node BBC micro:bit](https://github.com/MatthijsKamstra/hx-node-bbc-microbit) - Control a BBC micro:bit from Node.js using BLE and the Haxe programming language.
 - [App Inventor + IoT](http://iot.appinventor.mit.edu/#/microbit/microbitintro) - Control a micro:bit via Bluetooth with App Inventor, a visual programming environment for Android applications.
 - [BlockyTalkyBLE](https://www.playfulcomputation.group/blockytalkyble.html) - MakeCode and App Inventor extension that makes it easy to connect AppInventor mobile phone apps with the BBC micro:bit wirelessly over Bluetooth.