Update README to remove Maintainability badge

Removed the Maintainability badge from the README.

Author: calexil

README.md

@@ -1,5 +1,5 @@
 # Fightstick Display  
-[![Build Status](https://github.com/calexil/FightstickDisplay/actions/workflows/python-app.yml/badge.svg)](https://github.com/calexil/FightstickDisplay/actions/workflows/python-app.yml)  [![CodeFactor](https://www.codefactor.io/repository/github/calexil/fightstickdisplay/badge)](https://www.codefactor.io/repository/github/calexil/fightstickdisplay)  [![Maintainability](https://api.codeclimate.com/v1/badges/237a2b5bbbfd21b0c613/maintainability)](https://codeclimate.com/github/calexil/FightstickDisplay/maintainability)  [![GitHub issues](https://img.shields.io/github/issues/calexil/FightstickDisplay.svg)](https://github.com/calexil/FightstickDisplay/issues)  [![GitHub stars](https://img.shields.io/github/stars/calexil/FightstickDisplay.svg)](https://github.com/calexil/FightstickDisplay/stargazers)  [![GitHub forks](https://img.shields.io/github/forks/calexil/FightstickDisplay.svg)](https://github.com/calexil/FightstickDisplay/network) 
+[![Build Status](https://github.com/calexil/FightstickDisplay/actions/workflows/python-app.yml/badge.svg)](https://github.com/calexil/FightstickDisplay/actions/workflows/python-app.yml)  [![CodeFactor](https://www.codefactor.io/repository/github/calexil/fightstickdisplay/badge)](https://www.codefactor.io/repository/github/calexil/fightstickdisplay)  [![GitHub issues](https://img.shields.io/github/issues/calexil/FightstickDisplay.svg)](https://github.com/calexil/FightstickDisplay/issues)  [![GitHub stars](https://img.shields.io/github/stars/calexil/FightstickDisplay.svg)](https://github.com/calexil/FightstickDisplay/stargazers)  [![GitHub forks](https://img.shields.io/github/forks/calexil/FightstickDisplay.svg)](https://github.com/calexil/FightstickDisplay/network) 
 
 **A simple program written in python to display fightstick inputs.** 
 # Screenshots