README: fix Travis CI badge

Author: ctrueden

README.md

@@ -1,7 +1,6 @@
-[![](https://travis-ci.com/scijava/scijava-maven-plugin.svg?branch=master)]()
+[![](https://travis-ci.com/scijava/scijava-maven-plugin.svg?branch=master)](https://travis-ci.com/scijava/scijava-maven-plugin)
 
 [![](https://img.shields.io/maven-central/v/org.scijava/scijava-maven-plugin.svg)](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.scijava%22%20AND%20a%3A%22scijava-maven-plugin%22)
-[![](http://jenkins.imagej.net/job/SciJava-Maven-plugin/lastBuild/badge/icon)](http://jenkins.imagej.net/job/SciJava-Maven-plugin/)
 
 SciJava Maven Plugin
 ====================