Update README.md

Author: BenLauwens

README.md

@@ -5,7 +5,6 @@ A discrete event process oriented simulation framework written in [Julia](http:/
 ## Build Status & Coverage
 
 [![Build Status](https://github.com/benlauwens/SimJulia.jl/workflows/CI/badge.svg)](https://github.com/benlauwens/SimJulia.jl/actions?query=workflow%3ACI+branch%3Amaster)
-[![Coverage Status](https://coveralls.io/repos/github/BenLauwens/SimJulia.jl/badge.svg?branch=master)](https://coveralls.io/github/BenLauwens/SimJulia.jl?branch=master)
 [![codecov](https://codecov.io/gh/BenLauwens/SimJulia.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/BenLauwens/SimJulia.jl)
 
 ## Installation