Remove legacy temp download folder.

Telegram/SourceFiles/mainwindow.h

@@ -20,10 +20,6 @@ class Widget;
 enum class EnterPoint : uchar;
 } // namespace Intro
 
-namespace Local {
-class ClearManager;
-} // namespace Local
-
 namespace Window {
 class MediaPreviewWidget;
 class SectionMemento;
@@ -70,14 +66,6 @@ public:
 
 	void fixOrder();
 
-	enum TempDirState {
-		TempDirRemoving,
-		TempDirExists,
-		TempDirEmpty,
-	};
-	TempDirState tempDirState();
-	void tempDirDelete(int task);
-
 	void sendPaths();
 
 	QImage iconWithCounter(int size, int count, style::color bg, style::color fg, bool smallIcon) override;
@@ -134,17 +122,10 @@ public slots:
 	void showFromTray(QSystemTrayIcon::ActivationReason reason = QSystemTrayIcon::Unknown);
 	void toggleDisplayNotifyFromTray();
 
-	void onClearFinished(int task, void *manager);
-	void onClearFailed(int task, void *manager);
-
 	void onShowAddContact();
 	void onShowNewGroup();
 	void onShowNewChannel();
 
-signals:
-	void tempDirCleared(int task);
-	void tempDirClearFailed(int task);
-
 private:
 	[[nodiscard]] bool skipTrayClick() const;
 
@@ -174,8 +155,6 @@ private:
 
 	object_ptr<Window::Theme::WarningWidget> _testingThemeWarning = { nullptr };
 
-	Local::ClearManager *_clearManager = nullptr;
-
 };
 
 namespace App {