feat(Voice): implement support for @discordjs/voice (#5402)

README.md

@@ -44,16 +44,6 @@ discord.js is a powerful [Node.js](https://nodejs.org) module that allows you to
 **Node.js 14.0.0 or newer is required.**  
 Ignore any warnings about unmet peer dependencies, as they're all optional.
 
-Without voice support: `npm install discord.js`  
-With voice support ([@discordjs/opus](https://www.npmjs.com/package/@discordjs/opus)): `npm install discord.js @discordjs/opus`  
-With voice support ([opusscript](https://www.npmjs.com/package/opusscript)): `npm install discord.js opusscript`
-
-### Audio engines
-
-The preferred audio engine is @discordjs/opus, as it performs significantly better than opusscript. When both are available, discord.js will automatically choose @discordjs/opus.
-Using opusscript is only recommended for development environments where @discordjs/opus is tough to get working.
-For production bots, using @discordjs/opus should be considered a necessity, especially if they're going to be running on multiple servers.
-
 ### Optional packages
 
 - [zlib-sync](https://www.npmjs.com/package/zlib-sync) for WebSocket data compression and inflation (`npm install zlib-sync`)
@@ -63,6 +53,7 @@ For production bots, using @discordjs/opus should be considered a necessity, esp
   - [libsodium.js](https://www.npmjs.com/package/libsodium-wrappers) (`npm install libsodium-wrappers`)
 - [bufferutil](https://www.npmjs.com/package/bufferutil) for a much faster WebSocket connection (`npm install bufferutil`)
 - [utf-8-validate](https://www.npmjs.com/package/utf-8-validate) in combination with `bufferutil` for much faster WebSocket processing (`npm install utf-8-validate`)
+- [@discordjs/voice](https://github.com/discordjs/voice) for interacting with the Discord Voice API
 
 ## Example usage