Update README.md

README.md

@@ -5,7 +5,6 @@ Desktop application for the [Pocket Science Lab (PSlab)](https://pslab.io) open
 Development [![Build Status](
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-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/8259e5c2220f484e95a88cf4aaed1a96)](https://www.codacy.com/app/mb/pslab-desktop?utm_source=github.com&utm_medium=referral&utm_content=fossasia/pslab-desktop&utm_campaign=Badge_Grade)
 [![Mailing List](https://img.shields.io/badge/Mailing%20List-FOSSASIA-blue.svg)](https://groups.google.com/forum/#!forum/pslab-fossasia)
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