refactor: turn Emotes into EmoteController (#6516)

* refactor: turn `Emotes` into `EmoteController`

* changelog

* why does clang-format do this???

* nit: remove unused include from EmoteController.hpp

---------

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

src/singletons/Emotes.cpp

@@ -1,12 +0,0 @@
-#include "singletons/Emotes.hpp"
-
-namespace chatterino {
-
-Emotes::Emotes()
-{
-    this->emojis.load();
-
-    this->gifTimer.initialize();
-}
-
-}  // namespace chatterino

src/singletons/Emotes.hpp

@@ -1,45 +0,0 @@
-#pragma once
-
-#include "providers/emoji/Emojis.hpp"
-#include "providers/twitch/TwitchEmotes.hpp"
-#include "singletons/helper/GifTimer.hpp"
-
-namespace chatterino {
-
-class IEmotes
-{
-public:
-    virtual ~IEmotes() = default;
-
-    virtual ITwitchEmotes *getTwitchEmotes() = 0;
-    virtual IEmojis *getEmojis() = 0;
-    virtual GIFTimer &getGIFTimer() = 0;
-};
-
-class Emotes final : public IEmotes
-{
-public:
-    Emotes();
-
-    ITwitchEmotes *getTwitchEmotes() final
-    {
-        return &this->twitch;
-    }
-
-    IEmojis *getEmojis() final
-    {
-        return &this->emojis;
-    }
-
-    GIFTimer &getGIFTimer() final
-    {
-        return this->gifTimer;
-    }
-
-    TwitchEmotes twitch;
-    Emojis emojis;
-
-    GIFTimer gifTimer;
-};
-
-}  // namespace chatterino