refactor(Emoji): remove Guild#deleteEmoji in favour of Emoji#delete

src/structures/Emoji.js

@@ -201,6 +201,16 @@ class Emoji extends Base {
     return this.requiresColons ? `<:${this.name}:${this.id}>` : this.name;
   }
 
+  /**
+   * Delete the emoji.
+   * @param {string} [reason] Reason for deleting the emoji
+   * @returns {Promise<Emoji>}
+   */
+  delete(reason) {
+    return this.client.api.guilds(this.guild.id).emojis(this.id).delete({ reason })
+      .then(() => this);
+  }
+
   /**
    * Whether this emoji is the same as another one.
    * @param {Emoji|Object} other The emoji to compare it to

src/structures/Guild.js

@@ -1,6 +1,5 @@
 const Long = require('long');
 const Role = require('./Role');
-const Emoji = require('./Emoji');
 const Invite = require('./Invite');
 const GuildAuditLogs = require('./GuildAuditLogs');
 const Webhook = require('./Webhook');
@@ -1055,18 +1054,6 @@ class Guild extends Base {
       .then(image => this.createEmoji(image, name, { roles, reason }));
   }
 
-  /**
-   * Delete an emoji.
-   * @param {Emoji|string} emoji The emoji to delete
-   * @param {string} [reason] Reason for deleting the emoji
-   * @returns {Promise<Emoji>}
-   */
-  deleteEmoji(emoji, reason) {
-    if (!(emoji instanceof Emoji)) emoji = this.emojis.get(emoji);
-    return this.client.api.guilds(this.id).emojis(emoji.id).delete({ reason })
-      .then(() => this.client.actions.GuildEmojiDelete.handle(emoji).data);
-  }
-
   /**
    * Causes the client to leave the guild.
    * @returns {Promise<Guild>}