removed travis build status. Travis CI is not longer used in codegen.

Author: HugoMario

README.md

@@ -6,12 +6,10 @@
 
 [![Build Status](https://jenkins.swagger.io/view/OSS%20-%20Java/job/oss-swagger-codegen-master-java7/badge/icon?subject=jenkins%20build%20-%20java%207)](https://jenkins.swagger.io/view/OSS%20-%20Java/job/oss-swagger-codegen-master-java7/)
 
-- Master (2.4.22-SNAPSHOT): [![Build Status](https://img.shields.io/travis/swagger-api/swagger-codegen/master.svg?label=Petstore%20Integration%20Test)](https://travis-ci.org/swagger-api/swagger-codegen)
-[![Java Test](https://img.shields.io/jenkins/build.svg?jobUrl=https://jenkins.swagger.io/job/oss-swagger-codegen-master)](https://jenkins.swagger.io/view/OSS%20-%20Java/job/oss-swagger-codegen-master)
+- Master (2.4.22-SNAPSHOT): [![Java Test](https://img.shields.io/jenkins/build.svg?jobUrl=https://jenkins.swagger.io/job/oss-swagger-codegen-master)](https://jenkins.swagger.io/view/OSS%20-%20Java/job/oss-swagger-codegen-master)
 [![Windows Test](https://ci.appveyor.com/api/projects/status/github/swagger-api/swagger-codegen?branch=master&svg=true&passingText=Windows%20Test%20-%20OK&failingText=Windows%20Test%20-%20Fails)](https://ci.appveyor.com/project/swaggerhub-bot/swagger-codegen)
 
-- 3.0.28-SNAPSHOT:  [![Build Status](https://img.shields.io/travis/swagger-api/swagger-codegen/3.0.0.svg?label=Petstore%20Integration%20Test)](https://travis-ci.org/swagger-api/swagger-codegen)
-[![Java Test](https://img.shields.io/jenkins/build.svg?jobUrl=https://jenkins.swagger.io/job/oss-swagger-codegen-3)](https://jenkins.swagger.io/view/OSS%20-%20Java/job/oss-swagger-codegen-3)
+- 3.0.28-SNAPSHOT:  [![Java Test](https://img.shields.io/jenkins/build.svg?jobUrl=https://jenkins.swagger.io/job/oss-swagger-codegen-3)](https://jenkins.swagger.io/view/OSS%20-%20Java/job/oss-swagger-codegen-3)
 [![Windows Test](https://ci.appveyor.com/api/projects/status/github/swagger-api/swagger-codegen?branch=3.0.0&svg=true&passingText=Windows%20Test%20-%20OK&failingText=Windows%20Test%20-%20Fails)](https://ci.appveyor.com/project/swaggerhub-bot/swagger-codegen)