Use Node.js ≥10 for CI and drop Travis (#6797)

* Use Node.js ≥10 for CI
* Remove Travis CI config
* Remove badges from README

.github/workflows/node.js.yml

@@ -16,8 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        # TODO: hoist to 10.x when we bump the version supported in #5931
-        node-version: [ 8.x ]
+        node-version: [ 10.x, 14.x ]
 
     steps:
     - uses: actions/checkout@v2

.github/workflows/release.yml

@@ -12,8 +12,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-node@v2-beta
       with:
-        # TODO: hoist to 10.x when we bump the version supported in #5931
-        node-version: 8.x
+        node-version: 10.x
         registry-url: "https://registry.npmjs.org/"
     - run: npm install
     - run: npm test

README.md

@@ -10,10 +10,6 @@ This data can be used in documentation, to build compatibility tables listing
 browser support for APIs. For example:
 [Browser support for WebExtension APIs](https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Browser_support_for_JavaScript_APIs).
 
-[![npm](https://img.shields.io/npm/v/@mdn/browser-compat-data.svg)](https://www.npmjs.com/package/@mdn/browser-compat-data)
-[![Build Status](https://travis-ci.org/mdn/browser-compat-data.svg?branch=master)](https://travis-ci.org/mdn/browser-compat-data)
-[![Twitter Follow](https://img.shields.io/twitter/follow/mozdevnet.svg?style=social&label=Follow&style=plastic)](https://twitter.com/MozDevNet)
-
 Read how this project is [governed](https://github.com/mdn/browser-compat-data/blob/master/GOVERNANCE.md).
 
 Chat on [chat.mozilla.org#mdn](https://chat.mozilla.org/#/room/#mdn:mozilla.org).