refactor: remove extended collection (#6246)

Co-authored-by: iCrawl <buechler.noel@outlook.com>

src/util/Collection.js

@@ -1,17 +0,0 @@
-'use strict';
-
-const { Collection: BaseCollection } = require('@discordjs/collection');
-const Util = require('./Util');
-
-class Collection extends BaseCollection {
-  toJSON() {
-    return this.map(e => (typeof e?.toJSON === 'function' ? e.toJSON() : Util.flatten(e)));
-  }
-}
-
-module.exports = Collection;
-
-/**
- * @external Collection
- * @see {@link https://discord.js.org/#/docs/collection/master/class/Collection}
- */

src/util/LimitedCollection.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const Collection = require('./Collection.js');
+const { Collection } = require('@discordjs/collection');
 
 /**
  * A Collection which holds a max amount of entries. The first key is deleted if the Collection has

src/util/Options.js

@@ -173,7 +173,7 @@ class Options extends null {
    * });
    */
   static cacheWithLimits(settings = {}) {
-    const Collection = require('./Collection');
+    const { Collection } = require('@discordjs/collection');
     const LimitedCollection = require('./LimitedCollection');
     const SweptCollection = require('./SweptCollection');
 
@@ -197,7 +197,7 @@ class Options extends null {
    * @returns {CacheFactory}
    */
   static cacheEverything() {
-    const Collection = require('./Collection');
+    const { Collection } = require('@discordjs/collection');
     return () => new Collection();
   }
 }

src/util/SweptCollection.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const Collection = require('./Collection.js');
+const { Collection } = require('@discordjs/collection');
 const { _cleanupSymbol } = require('./Constants.js');
 const { TypeError } = require('../errors/DJSError.js');