Remove retired services

Author: danmactough

.travis.yml

@@ -1,10 +1,6 @@
-#  Feedparser - Robust RSS, Atom, and RDF feed parsing in Node.js
+# Feedparser - Robust RSS, Atom, and RDF feed parsing in Node.js
 
-[![Greenkeeper badge](https://badges.greenkeeper.io/danmactough/node-feedparser.svg)](https://greenkeeper.io/)
-
-[![Join the chat at https://gitter.im/danmactough/node-feedparser](https://badges.gitter.im/danmactough/node-feedparser.svg)](https://gitter.im/danmactough/node-feedparser?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-
-[![Build Status](https://secure.travis-ci.org/danmactough/node-feedparser.png?branch=master)](https://travis-ci.org/danmactough/node-feedparser)
+[![CI](https://github.com/danmactough/node-feedparser/actions/workflows/ci.yml/badge.svg)](https://github.com/danmactough/node-feedparser/actions/workflows/ci.yml)
 
 [![NPM](https://nodei.co/npm/feedparser.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/feedparser/)