Drop LGTM badges as it has been absorbed by GitHub

README.md

@@ -5,8 +5,6 @@
 Hosted on [GitHub](https://github.com/jshiell/checkstyle-idea)
 
 [![Build Status](https://github.com/jshiell/checkstyle-idea/workflows/Build/badge.svg)](https://github.com/jshiell/checkstyle-idea/actions?query=workflow%3A%22Build%22)
-[![Code Quality: Java](https://img.shields.io/lgtm/grade/java/g/jshiell/checkstyle-idea.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/jshiell/checkstyle-idea/context:java)
-[![Total Alerts](https://img.shields.io/lgtm/alerts/g/jshiell/checkstyle-idea.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/jshiell/checkstyle-idea/alerts)
 
 A plug-in for JetBrains' IntelliJ IDEA 2022-23 which provides real-time feedback against a given
 [CheckStyle 8-10](https://checkstyle.sourceforge.io) profile by way of an inspection.