docs: removed topics and FAQ from the repository (#5820)

Co-authored-by: SpaceEEC <spaceeec@yahoo.com>
Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>
Co-authored-by: ckohen <chaikohen@gmail.com>

README.md

@@ -12,23 +12,8 @@
     <a href="https://david-dm.org/discordjs/discord.js"><img src="https://img.shields.io/david/discordjs/discord.js.svg?maxAge=3600" alt="Dependencies" /></a>
     <a href="https://www.patreon.com/discordjs"><img src="https://img.shields.io/badge/donate-patreon-F96854.svg" alt="Patreon" /></a>
   </p>
-  <p>
-    <a href="https://nodei.co/npm/discord.js/"><img src="https://nodei.co/npm/discord.js.png?downloads=true&stars=true" alt="npm installnfo" /></a>
-  </p>
 </div>
 
-## Table of contents
-
-- [About](#about)
-- [Installation](#installation)
-  - [Audio engines](#audio-engines)
-  - [Optional packages](#optional-packages)
-- [Example Usage](#example-usage)
-- [Links](#links)
-  - [Extensions](#extensions)
-- [Contributing](#contributing)
-- [Help](#help)
-
 ## About
 
 discord.js is a powerful [Node.js](https://nodejs.org) module that allows you to easily interact with the
@@ -65,9 +50,9 @@ client.on('ready', () => {
   console.log(`Logged in as ${client.user.tag}!`);
 });
 
-client.on('message', msg => {
-  if (msg.content === 'ping') {
-    msg.channel.send('pong');
+client.on('message', message => {
+  if (message.content === 'ping') {
+    message.channel.send('pong');
   }
 });
 
@@ -84,7 +69,7 @@ client.login('token');
 - [Discord API Discord server](https://discord.gg/discord-api)
 - [GitHub](https://github.com/discordjs/discord.js)
 - [NPM](https://www.npmjs.com/package/discord.js)
-- [Related libraries](https://discordapi.com/unofficial/libs.html)
+- [Related libraries](https://discord.com/developers/docs/topics/community-resources#libraries)
 
 ### Extensions