fix!: Remove API related to guild ownership (#11021)

BREAKING CHANGE: API related to guild ownership has been removed, such as setting the MFA level, deleting a guild, creating a guild, and creating a guild from a guild template.

packages/discord.js/src/structures/Guild.js

@@ -1434,29 +1434,6 @@ class Guild extends AnonymousGuild {
     return this;
   }
 
-  /**
-   * Sets the guild's MFA level
-   * <info>An elevated MFA level requires guild moderators to have 2FA enabled.</info>
-   *
-   * @param {GuildMFALevel} level The MFA level
-   * @param {string} [reason] Reason for changing the guild's MFA level
-   * @returns {Promise<Guild>}
-   * @example
-   * // Set the MFA level of the guild to Elevated
-   * guild.setMFALevel(GuildMFALevel.Elevated)
-   *   .then(guild => console.log("Set guild's MFA level to Elevated"))
-   *   .catch(console.error);
-   */
-  async setMFALevel(level, reason) {
-    await this.client.rest.post(Routes.guildMFA(this.id), {
-      body: {
-        level,
-      },
-      reason,
-    });
-    return this;
-  }
-
   /**
    * Leaves the guild.
    *
@@ -1473,21 +1450,6 @@ class Guild extends AnonymousGuild {
     return this;
   }
 
-  /**
-   * Deletes the guild.
-   *
-   * @returns {Promise<Guild>}
-   * @example
-   * // Delete a guild
-   * guild.delete()
-   *   .then(guild => console.log(`Deleted the guild ${guild}`))
-   *   .catch(console.error);
-   */
-  async delete() {
-    await this.client.rest.delete(Routes.guild(this.id));
-    return this;
-  }
-
   /**
    * Sets whether this guild's invites are disabled.
    *

packages/discord.js/src/structures/GuildTemplate.js

@@ -1,9 +1,6 @@
 'use strict';
 
-const { setTimeout, clearTimeout } = require('node:timers');
 const { RouteBases, Routes } = require('discord-api-types/v10');
-const { resolveImage } = require('../util/DataResolver.js');
-const { Events } = require('../util/Events.js');
 const { Base } = require('./Base.js');
 
 /**
@@ -127,46 +124,6 @@ class GuildTemplate extends Base {
     return this;
   }
 
-  /**
-   * Creates a guild based on this template.
-   * <warn>This is only available to bots in fewer than 10 guilds.</warn>
-   *
-   * @param {string} name The name of the guild
-   * @param {BufferResolvable|Base64Resolvable} [icon] The icon for the guild
-   * @returns {Promise<Guild>}
-   */
-  async createGuild(name, icon) {
-    const { client } = this;
-    const data = await client.rest.post(Routes.template(this.code), {
-      body: {
-        name,
-        icon: await resolveImage(icon),
-      },
-    });
-
-    if (client.guilds.cache.has(data.id)) return client.guilds.cache.get(data.id);
-
-    return new Promise(resolve => {
-      function resolveGuild(guild) {
-        client.off(Events.GuildCreate, handleGuild);
-        client.decrementMaxListeners();
-        resolve(guild);
-      }
-
-      client.incrementMaxListeners();
-      client.on(Events.GuildCreate, handleGuild);
-
-      const timeout = setTimeout(() => resolveGuild(client.guilds._add(data)), 10_000).unref();
-
-      function handleGuild(guild) {
-        if (guild.id === data.id) {
-          clearTimeout(timeout);
-          resolveGuild(guild);
-        }
-      }
-    });
-  }
-
   /**
    * Options used to edit a guild template.
    *

packages/discord.js/typings/index.d.ts

@@ -1438,7 +1438,6 @@ export class Guild extends AnonymousGuild {
   public widgetEnabled: boolean | null;
   public get maximumBitrate(): number;
   public createTemplate(name: string, description?: string): Promise<GuildTemplate>;
-  public delete(): Promise<Guild>;
   public discoverySplashURL(options?: ImageURLOptions): string | null;
   public edit(options: GuildEditOptions): Promise<Guild>;
   public editOnboarding(options: GuildOnboardingEditOptions): Promise<GuildOnboarding>;
@@ -1489,7 +1488,6 @@ export class Guild extends AnonymousGuild {
   public setVerificationLevel(verificationLevel: GuildVerificationLevel | null, reason?: string): Promise<Guild>;
   public setPremiumProgressBarEnabled(enabled?: boolean, reason?: string): Promise<Guild>;
   public setWidgetSettings(settings: GuildWidgetSettingsData, reason?: string): Promise<Guild>;
-  public setMFALevel(level: GuildMFALevel, reason?: string): Promise<Guild>;
   public toJSON(): unknown;
 }
 
@@ -1824,7 +1822,6 @@ export class GuildTemplate extends Base {
   public guildId: Snowflake;
   public serializedGuild: APITemplateSerializedSourceGuild;
   public unSynced: boolean | null;
-  public createGuild(name: string, icon?: Base64Resolvable | BufferResolvable): Promise<Guild>;
   public delete(): Promise<GuildTemplate>;
   public edit(options?: GuildTemplateEditOptions): Promise<GuildTemplate>;
   public sync(): Promise<GuildTemplate>;