Removed Travis config

CI now runs in GitHub Actions

.travis.yml

@@ -1,13 +0,0 @@
-language: node_js
-node_js:
-  - "16"
-addons:
-  apt:
-    packages:
-      # Ubuntu 16+ does not install this dependency by default, so we need to install it ourselves
-      - libgconf-2-4
-
-script:
-  - npm run build
-  - npm test
-  - npm run cy:start-and-run

README.md

@@ -1,6 +1,5 @@
 # Topola Genealogy Viewer
 
-[![Build Status](https://travis-ci.com/PeWu/topola-viewer.svg?branch=master)](https://travis-ci.com/PeWu/topola-viewer)
 [![Node.js CI](https://github.com/PeWu/topola-viewer/actions/workflows/node.js.yml/badge.svg)](https://github.com/PeWu/topola-viewer/actions/workflows/node.js.yml)
 
 View your genealogy data using an interactive chart.