Update README.md

Author: esakik

README.md

@@ -1,7 +1,6 @@
 # Beam - MySQL Connector
 [![PyPI version](https://badge.fury.io/py/beam-mysql-connector.svg)](https://badge.fury.io/py/beam-mysql-connector)
 ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/beam-mysql-connector)
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/9d5d5727996e49e19bed91ac57bb1346)](https://www.codacy.com/manual/esaki01/beam-mysql-connector?utm_source=github.com&utm_medium=referral&utm_content=esaki01/beam-mysql-connector&utm_campaign=Badge_Grade)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 
 Beam - MySQL Connector is an io connector of [Apache Beam](https://beam.apache.org/) to access MySQL databases.