Remove unused variable

src/ui/mainwindow.cpp

@@ -173,7 +173,6 @@ MainWindow::MainWindow(Application* app, SystemTrayIcon* tray_icon, OSD* osd,
       tray_icon_(tray_icon),
       osd_(osd),
       global_shortcuts_(new GlobalShortcuts(this)),
-      remote_(nullptr),
       global_search_view_(new GlobalSearchView(app_, this)),
       library_view_(new LibraryViewContainer(this)),
       file_view_(new FileView(this)),

src/ui/mainwindow.h

@@ -67,7 +67,6 @@ class QueueManager;
 class InternetItem;
 class InternetModel;
 class InternetViewContainer;
-class Remote;
 class RipCDDialog;
 class Song;
 class SongInfoBase;
@@ -300,7 +299,6 @@ signals:
   std::unique_ptr<About> about_dialog_;
 
   GlobalShortcuts* global_shortcuts_;
-  Remote* remote_;
 
   GlobalSearchView* global_search_view_;
   LibraryViewContainer* library_view_;