Remove update-notifier dependency

Author: jimmywarting

lib/cli.js

@@ -6,7 +6,6 @@ import ciParallelVars from 'ci-parallel-vars';
 import del from 'del';
 import figures from 'figures';
 import readPkg from 'read-pkg';
-import updateNotifier from 'update-notifier';
 
 import Api from './api.js';
 import {chalk} from './chalk.js';
@@ -19,7 +18,6 @@ import {splitPatternAndLineNumbers} from './line-numbers.js';
 import {loadConfig} from './load-config.js';
 import normalizeModuleTypes from './module-types.js';
 import normalizeNodeArguments from './node-arguments.js';
-import avaPackage from './pkg.cjs';
 import providerManager from './provider-manager.js';
 import DefaultReporter from './reporters/default.js';
 import TapReporter from './reporters/tap.js';
@@ -243,8 +241,6 @@ export default async () => { // eslint-disable-line complexity
 		}
 	}
 
-	updateNotifier({pkg: avaPackage}).notify();
-
 	const {nonSemVerExperiments: experiments, projectDir} = conf;
 	if (resetCache) {
 		const cacheDir = path.join(projectDir, 'node_modules', '.cache', 'ava');