Update README.md (#846)

Author: lbbrhzn

README.md

@@ -1,6 +1,4 @@
 [![hacs_badge](https://img.shields.io/badge/HACS-Default-orange.svg)](https://github.com/custom-components/hacs)
-[![Total alerts](https://img.shields.io/lgtm/alerts/g/lbbrhzn/ocpp.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/lbbrhzn/ocpp/alerts/)
-[![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/lbbrhzn/ocpp.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/lbbrhzn/ocpp/context:python)
 [![codecov](https://codecov.io/gh/lbbrhzn/ocpp/branch/main/graph/badge.svg?token=3FRJIF5KRW)](https://codecov.io/gh/lbbrhzn/ocpp)
 [![Documentation Status](https://readthedocs.org/projects/home-assistant-ocpp/badge/?version=latest)](https://home-assistant-ocpp.readthedocs.io/en/latest/?badge=latest)
 [![hacs_downloads](https://img.shields.io/github/downloads/lbbrhzn/ocpp/latest/total)](https://github.com/lbbrhzn/ocpp/releases/latest)