Remove travis udpate status from readme

Author: muzahidul-opti

README.md

@@ -1,6 +1,5 @@
 # Optimizely Java SDK
 
-[![Build Status](https://travis-ci.org/optimizely/java-sdk.svg?branch=master)](https://travis-ci.org/optimizely/java-sdk)
 [![Apache 2.0](https://img.shields.io/badge/license-APACHE%202.0-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0)
 
 This repository houses the Java SDK for use with Optimizely Feature Experimentation and Optimizely Full Stack (legacy).