Import: remove QML properties from DownloadThread

QML doesn't access these directly anymore but goes via the model.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

core/downloadfromdcthread.h

@@ -58,8 +58,6 @@ private:
 
 class DownloadThread : public QThread {
 	Q_OBJECT
-	Q_PROPERTY(dive_table_t *table READ table CONSTANT)
-	Q_PROPERTY(dive_site_table_t *sites READ sites CONSTANT)
 
 public:
 	DownloadThread();