feat: remove datastores and implement Managers (#3696)

* Initial commit: add 5 initial managers

- Base manager
- GuildChannelManager
- MessageManager
- PresenceManager
- Reaction Manager
- Added LimitedCollection

* Add GuildEmojiManager, various fixes

* Modify some managers and add guildmembermanager

* Initial integration

* Delete old stores

* Integration part two, removed LRUCollection

- Most of the integration has been finished
- TODO typings
- Removed LRUCollection, needless sweeping

* Typings + stuff i somehow missed in ChannelManager

* LimitedCollection typings/ final changes

* Various jsdoc and syntactical fixes, Removed Util.mixin()

* tslint fix

* Grammatical and logical changes

* Delete temporary file placed by mistake

* Grammatical changes

* Add missing type

* Update jsdoc examples

* fix: ChannelManager#remove should call cache#delete not cache#remove

* fix recursive require

* Fix missed cache in util

* fix: more missed cache

* Remove accidental _fetchMany change from #3645

* fix: use .cache.delete() over .remove()

* fix: missing cache in ReactionCollector

* fix: missed cache in client

* fix: members is a collection not a manager

Co-Authored-By: Sugden <28943913+NotSugden@users.noreply.github.com>

* fix: various docs and cache fixes

* fix: missed cache

* fix: missing _roles

* Final testing and debugging

* LimitedCollection: return the Collection instead of undefined on .set

* Add cache to BaseManager in typings

* Commit fixes i forgot to stage yesterday

* Update invite events

* Account for new commit

* fix: MessageReactionRemoveAll should call .cache.clear()

* fix: add .cache at various places, correct return type

* docs: remove mentions of 'store'

* Add extra documented properties to typings

Co-authored-by: Sugden <28943913+NotSugden@users.noreply.github.com>
Co-authored-by: SpaceEEC <spaceeec@yahoo.com>

src/client/actions/GuildMemberRemove.js

@@ -6,14 +6,14 @@ const { Events, Status } = require('../../util/Constants');
 class GuildMemberRemoveAction extends Action {
   handle(data, shard) {
     const client = this.client;
-    const guild = client.guilds.get(data.guild_id);
+    const guild = client.guilds.cache.get(data.guild_id);
     let member = null;
     if (guild) {
       member = this.getMember(data, guild);
       guild.memberCount--;
       if (member) {
         member.deleted = true;
-        guild.members.remove(member.id);
+        guild.members.cache.delete(member.id);
         /**
          * Emitted whenever a member leaves a guild, or is kicked.
          * @event Client#guildMemberRemove
@@ -21,7 +21,7 @@ class GuildMemberRemoveAction extends Action {
          */
         if (shard.status === Status.READY) client.emit(Events.GUILD_MEMBER_REMOVE, member);
       }
-      guild.voiceStates.delete(data.user.id);
+      guild.voiceStates.cache.delete(data.user.id);
     }
     return { guild, member };
   }