Update README.md

Removed the code quality badge, it seems broken

README.md

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 # Automated Rate Calculator | ARC
 
 ![Build Status](https://github.com/ReactionMechanismGenerator/ARC/actions/workflows/cont_int.yml/badge.svg)
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/cf06bcc72d024b79834c300f39219471)](https://www.codacy.com/app/ReactionMechanismGenerator/ARC?utm_source=github.com&utm_medium=referral&utm_content=ReactionMechanismGenerator/ARC&utm_campaign=Badge_Grade)
 [![codecov](https://codecov.io/gh/ReactionMechanismGenerator/ARC/branch/master/graph/badge.svg)](https://codecov.io/gh/ReactionMechanismGenerator/ARC)
 [![MIT license](http://img.shields.io/badge/license-MIT-brightgreen.svg)](http://opensource.org/licenses/MIT)
 ![Release](https://img.shields.io/badge/version-1.1.0-blue.svg)