- Remove network/image download code (as it is unused)

src/mainwindow.h

@@ -3,7 +3,6 @@
 
 #include <QMainWindow>
 #include <QPixmap>
-#include <QNetworkAccessManager>
 #include "imagestructs.h"
 #include "imageselector.h"
 
@@ -34,12 +33,9 @@ public:
     void setBaseOptions(const ImageDisplayOptions &baseOptionsIn);
     const ImageDisplayOptions &getBaseOptions();
     void setImageSwitcher(ImageSwitcher *switcherIn);
-    void setNetworkManager(QNetworkAccessManager *networkManagerIn);
     void setOverlayHexRGB(QString overlayHexRGB);
 public slots:
     void checkWindowSize();
-private slots:
-  void fileDownloaded(QNetworkReply* pReply);
 private:
     Ui::MainWindow *ui;
 
@@ -48,9 +44,6 @@ private:
     ImageDisplayOptions baseImageOptions;
     bool imageAspectMatchesMonitor = false;
     ImageDetails currentImage;
-    QByteArray downloadedData;
-    QNetworkAccessManager *networkManager = nullptr;
-    QNetworkReply *pendingReply = nullptr;
     QSize lastScreenSize = {0,0};
     QString overlayHexRGB = "#FFFF";
     unsigned int transitionSeconds = 1;