Move gif timer stuff to its own class

Clean up unused includes

src/singletons/helper/giftimer.cpp

@@ -0,0 +1,31 @@
+#include "singletons/helper/giftimer.hpp"
+
+#include "application.hpp"
+#include "singletons/settingsmanager.hpp"
+#include "singletons/windowmanager.hpp"
+
+namespace chatterino {
+namespace singletons {
+
+void GIFTimer::initialize()
+{
+    this->timer.setInterval(30);
+
+    getApp()->settings->enableGifAnimations.connect([this](bool enabled, auto) {
+        if (enabled) {
+            this->timer.start();
+        } else {
+            this->timer.stop();
+        }
+    });
+
+    QObject::connect(&this->timer, &QTimer::timeout, [this] {
+        this->signal.invoke();
+        // fourtf:
+        auto app = getApp();
+        app->windows->repaintGifEmotes();
+    });
+}
+
+}  // namespace singletons
+}  // namespace chatterino

src/singletons/helper/giftimer.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <QTimer>
+#include <pajlada/signals/signal.hpp>
+
+namespace chatterino {
+namespace singletons {
+
+class GIFTimer
+{
+public:
+    void initialize();
+
+    pajlada::Signals::NoArgSignal signal;
+
+private:
+    QTimer timer;
+};
+
+}  // namespace singletons
+}  // namespace chatterino