docs(Guild): clarified description of guild.features (#5352)

- Removed the phrase "partnered guilds" from the description of `guild.features`

**Reasoning:**
To prevent the assumption that **any** `guild.features` will be indicative of `guild.partnered`.

src/structures/Guild.js

@@ -181,7 +181,7 @@ class Guild extends Base {
      */
 
     /**
-     * An array of guild features partnered guilds have enabled
+     * An array of guild features available to the guild
      * @type {Features[]}
      */
     this.features = data.features;