Remove the Travis badge

Author: egonw

README.md

@@ -4,9 +4,6 @@
 # rcdklibs
 
 <!-- badges: start -->
-
-[![Build
-Status](https://api.travis-ci.org/CDK-R/rcdklibs.svg?branch=master)](https://travis-ci.org/CDK-R/rcdklibs)
 [![CRAN
 Version](https://www.r-pkg.org/badges/version/rcdklibs?color=green)](https://cran.r-project.org/package=rcdklibs)
 [![CRAN