Update project tagline

Author: sindresorhus

package.json

@@ -1,7 +1,7 @@
 {
 	"name": "xo",
 	"version": "0.24.0",
-	"description": "JavaScript happiness style linter ❤️",
+	"description": "JavaScript linter with great defaults",
 	"license": "MIT",
 	"repository": "xojs/xo",
 	"author": {
@@ -33,7 +33,6 @@
 		"style",
 		"lint",
 		"linter",
-		"jscs",
 		"jshint",
 		"jslint",
 		"eslint",

readme.md

@@ -6,7 +6,7 @@
 	<br>
 </h1>
 
-> JavaScript happiness style linter
+> JavaScript linter with great defaults
 
 [![Build Status](https://travis-ci.org/xojs/xo.svg?branch=master)](https://travis-ci.org/xojs/xo) [![Coverage Status](https://coveralls.io/repos/github/xojs/xo/badge.svg?branch=master)](https://coveralls.io/github/xojs/xo?branch=master) [![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/xojs/xo) [![Gitter](https://badges.gitter.im/join_chat.svg)](https://gitter.im/xojs/Lobby)