Update README.md

README.md

@@ -5,8 +5,6 @@ API for Matlab's language core functions
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 ![CI](https://github.com/juliamatlab/MatLang/workflows/CI/badge.svg)
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-[![Test Coverage](https://codecov.io/gh/juliamatlab/MatLang/branch/master/graph/badge.svg)](https://codecov.io/gh/juliamatlab/MatLang)
-
 
 # Documentation
 [![Dev Doc](https://img.shields.io/badge/docs-dev-blue.svg)](https://juliamatlab.github.io/MatLang/dev)