Update badges

Author: hzalaz

README.md

@@ -1,6 +1,6 @@
 # Guardian SDK for iOS
 ============
-[![CI Status](https://travis-ci.com/auth0/Guardian.swift.svg?token=R3xUbi1dnaoneyhnspcr&branch=master)](https://travis-ci.com/auth0/Guardian.swift)
+[![CI Status](https://travis-ci.org/auth0/Guardian.swift.svg?branch=master)](https://travis-ci.com/auth0/Guardian.swift)
 [![License](http://img.shields.io/:license-mit-blue.svg?style=flat)](http://doge.mit-license.org)
 
 [Guardian](https://auth0.com/docs/multifactor-authentication/guardian) is Auth0's multi-factor