refactor(notifications): remove platform specifier (#5914)

src/singletons/Toasts.hpp

@@ -3,12 +3,8 @@
 #include <pajlada/settings/setting.hpp>
 #include <QString>
 
-#include <cstdint>
-
 namespace chatterino {
 
-enum class Platform : uint8_t;
-
 enum class ToastReaction {
     OpenInBrowser = 0,
     OpenInPlayer = 1,
@@ -22,7 +18,7 @@ public:
     ~Toasts();
 
     void sendChannelNotification(const QString &channelName,
-                                 const QString &channelTitle, Platform p);
+                                 const QString &channelTitle);
     static QString findStringFromReaction(const ToastReaction &reaction);
     static QString findStringFromReaction(
         const pajlada::Settings::Setting<int> &reaction);
@@ -33,7 +29,7 @@ private:
 #ifdef Q_OS_WIN
     void ensureInitialized();
     void sendWindowsNotification(const QString &channelName,
-                                 const QString &channelTitle, Platform p);
+                                 const QString &channelTitle);
 
     bool initialized_ = false;
 #elif defined(CHATTERINO_WITH_LIBNOTIFY)