chore: Remove defunct LGTM badges

lgtm.com has been shut down.

diff --git a/README.md b/README.md
index 2ef2fb5642246c8311d141d1f4e966fd36e3484c..7053dd16f38c54560840dc73eb87970de1f167ed 100644 (file)
--- a/README.md
+++ b/README.md
@@ -2,8 +2,6 @@ Ccache – a fast compiler cache
 ==============================
 
 [![Build Status](https://github.com/ccache/ccache/workflows/Build/badge.svg)](https://github.com/ccache/ccache/actions?query=workflow%3A%22Build%22)
-[![Code Quality: Cpp](https://img.shields.io/lgtm/grade/cpp/g/ccache/ccache.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/ccache/ccache/context:cpp)
-[![Total Alerts](https://img.shields.io/lgtm/alerts/g/ccache/ccache.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/ccache/ccache/alerts)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/5057/badge)](https://bestpractices.coreinfrastructure.org/projects/5057)
 [![Discussions](https://img.shields.io/github/discussions/ccache/ccache)](discussions)
 [![Gitter](https://img.shields.io/gitter/room/ccache/ccache.svg)](https://gitter.im/ccache/ccache)