refactor: remove non-breaking stuff (#7636)

Author: Jiralite

src/structures/Presence.js

@@ -382,8 +382,6 @@ class RichPresenceAssets {
           return `https://media.discordapp.net/${id}`;
         case 'spotify':
           return `https://i.scdn.co/image/${id}`;
-        case 'youtube':
-          return `https://i.ytimg.com/vi/${id}/hqdefault_live.jpg`;
         case 'twitch':
           return `https://static-cdn.jtvnw.net/previews-ttv/live_user_${id}.png`;
         default: