remove obsolete lgtm link

diff --git a/README.md b/README.md
index 0325a6b6e778b707e9806806b0eaa196e0a008a9..fb9d2586bfabab9227331b9b54ae556784fbe273 100644 (file)
--- a/README.md
+++ b/README.md
@@ -5,7 +5,6 @@
 [![PyPI version](https://badge.fury.io/py/dnspython.svg)](https://badge.fury.io/py/dnspython)
 [![License: ISC](https://img.shields.io/badge/License-ISC-brightgreen.svg)](https://opensource.org/licenses/ISC)
 [![Coverage](https://codecov.io/github/rthalley/dnspython/coverage.svg?branch=master)](https://codecov.io/github/rthalley/dnspython)
-[![LGTM Grade](https://img.shields.io/lgtm/grade/python/github/rthalley/dnspython)](https://lgtm.com/projects/g/rthalley/dnspython/)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 ## INTRODUCTION