Removed Travis badge from the readme

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

README.md

@@ -1,4 +1,4 @@
-[![Build Status][ci-img]][ci] [![Released Version][maven-img]][maven]
+[![Released Version][maven-img]][maven]
 
 # OpenTracing EJB Instrumentation
 
@@ -13,7 +13,5 @@ This library provides instrumentation for EJB modules in Java EE applications.
 Follow instructions in [RELEASE](RELEASE.md)
 
 
-   [ci-img]: https://travis-ci.org/opentracing-contrib/java-ejb.svg?branch=master
-   [ci]: https://travis-ci.org/opentracing-contrib/java-ejb
    [maven-img]: https://img.shields.io/maven-central/v/io.opentracing.contrib/opentracing-ejb.svg?maxAge=2592000
    [maven]: http://search.maven.org/#search%7Cga%7C1%7Copentracing-ejb