drop coverity scan status

BerndAmend · BerndAmend · commit 535d80e8d22b · 2021-05-24T23:34:54.000+02:00
diff --git a/readme.md b/readme.md
@@ -7,11 +7,6 @@ Master Status: [![Linux Build Status](https://travis-ci.org/ChaiScript/ChaiScrip
 
 Develop Status: [![Linux Build Status](https://travis-ci.org/ChaiScript/ChaiScript.png?branch=develop)](https://travis-ci.org/ChaiScript/ChaiScript) [![Windows Build status](https://ci.appveyor.com/api/projects/status/6u3r4s81kkjqmsqw/branch/develop?svg=true)](https://ci.appveyor.com/project/lefticus/chaiscript/branch/develop) [![codecov.io](http://codecov.io/github/ChaiScript/ChaiScript/coverage.svg?branch=develop)](http://codecov.io/github/ChaiScript/ChaiScript?branch=develop)
 
-<a href="https://scan.coverity.com/projects/5297">
-  <img alt="Coverity Scan Build Status"
-       src="https://img.shields.io/coverity/scan/5297.svg"/>
-</a>
-
 ChaiScript
 
 http://www.chaiscript.com
