Remove coverage badge
Coverage reporting is currently broken.
[![Build Status]](https://travis-ci.org/hslua/hslua)
[![AppVeyor Status]](https://ci.appveyor.com/project/tarleb/hslua-r2y18)
-[![Coverage Status]](https://coveralls.io/github/osa1/hslua?branch=master)
[![Hackage]](https://hackage.haskell.org/package/hslua)
Hslua provides bindings, wrappers, types, and helper functions to bridge haskell
@@ -10,7 +9,6 @@ and lua.
[Build Status]: https://travis-ci.org/hslua/hslua.svg?branch=master
[AppVeyor Status]: https://ci.appveyor.com/api/projects/status/ldutrilgxhpcau94/branch/master?svg=true
-[Coverage Status]: https://coveralls.io/repos/osa1/hslua/badge.svg?branch=master&service=github
[Hackage]: http://img.shields.io/hackage/v/hslua.svg
