Remove Travis CI badge

Author: adutra

README.md

@@ -1,7 +1,5 @@
 # Datastax Java Driver for Apache Cassandra®
 
-[![Build Status](https://travis-ci.org/datastax/java-driver.svg?branch=3.x)](https://travis-ci.org/datastax/java-driver)
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 *If you're reading this on github.com, please note that this is the readme
 for the development version and that some features described here might
 not yet have been released. You can find the documentation for the latest