docs: undocument private constructors (#6732)

src/structures/ThreadChannel.js

@@ -13,12 +13,6 @@ const Permissions = require('../util/Permissions');
  * @implements {TextBasedChannel}
  */
 class ThreadChannel extends Channel {
-  /**
-   * @param {Guild} guild The guild the thread channel is part of
-   * @param {APIChannel} data The data for the thread channel
-   * @param {Client} [client] A safety parameter for the client that instantiated this
-   * @param {boolean} [fromInteraction=false] Whether the data was from an interaction (partial)
-   */
   constructor(guild, data, client, fromInteraction = false) {
     super(guild?.client ?? client, data, false);