Partials (#3070)

* Remove GroupDMChannels

they sparked no joy

* Start partials for message deletion

* MessageUpdate partials

* Add partials as an opt-in client option

* Add fetch() to Message

* Message.author should never be undefined

* Fix channels being the wrong type

* Allow fetching channels

* Refactor and add reaction add partials

* Reaction remove partials

* Check for emoji first

* fix message fetching

janky

* User partials in audit logs

* refactor overwrite code

* guild member partials

* partials as a whitelist

* document GuildMember#fetch

* fix: check whether a structure is a partial, not whether cache is true

* typings: Updated for latest commit (#3075)

* partials: fix messageUpdate behaviour (now "old" message can be partial)

* partials: add warnings and docs

* partials: add partials to index.yml

* partials: tighten "partial" definitions

* partials: fix embed-only messages counting as partials

src/structures/ClientUser.js

@@ -164,42 +164,6 @@ class ClientUser extends Structures.get('User') {
   setAFK(afk) {
     return this.setPresence({ afk });
   }
-
-  /**
-   * An object containing either a user or access token, and an optional nickname.
-   * @typedef {Object} GroupDMRecipientOptions
-   * @property {UserResolvable} [user] User to add to the Group DM
-   * @property {string} [accessToken] Access token to use to add a user to the Group DM
-   * (only available if a bot is creating the DM)
-   * @property {string} [nick] Permanent nickname (only available if a bot is creating the DM)
-   * @property {string} [id] If no user resolvable is provided and you want to assign nicknames
-   * you must provide user ids instead
-   */
-
-  /**
-   * Creates a Group DM.
-   * @param {GroupDMRecipientOptions[]} recipients The recipients
-   * @returns {Promise<GroupDMChannel>}
-   * @example
-   * // Create a Group DM with a token provided from OAuth
-   * client.user.createGroupDM([{
-   *   user: '66564597481480192',
-   *   accessToken: token
-   * }])
-   *   .then(console.log)
-   *   .catch(console.error);
-   */
-  createGroupDM(recipients) {
-    const data = this.bot ? {
-      access_tokens: recipients.map(u => u.accessToken),
-      nicks: recipients.reduce((o, r) => {
-        if (r.nick) o[r.user ? r.user.id : r.id] = r.nick;
-        return o;
-      }, {}),
-    } : { recipients: recipients.map(u => this.client.users.resolveID(u.user || u.id)) };
-    return this.client.api.users('@me').channels.post({ data })
-      .then(res => this.client.channels.add(res));
-  }
 }
 
 module.exports = ClientUser;