docs: Replace FetchOwnerOptions type definition (#6814)

src/structures/Guild.js

@@ -486,17 +486,10 @@ class Guild extends AnonymousGuild {
     return this.discoverySplash && this.client.rest.cdn.DiscoverySplash(this.id, this.discoverySplash, format, size);
   }
 
-  /**
-   * Options used to fetch the owner of a guild or a thread.
-   * @typedef {Object} FetchOwnerOptions
-   * @property {boolean} [cache=true] Whether or not to cache the fetched member
-   * @property {boolean} [force=false] Whether to skip the cache check and request the API
-   */
-
   /**
    * Fetches the owner of the guild.
    * If the member object isn't needed, use {@link Guild#ownerId} instead.
-   * @param {FetchOwnerOptions} [options] The options for fetching the member
+   * @param {BaseFetchOptions} [options] The options for fetching the member
    * @returns {Promise<GuildMember>}
    */
   fetchOwner(options) {