Fix crash on tileset save, bugs with map resizing

include/core/map.h

@@ -114,7 +114,6 @@ private:
 signals:
     void modified();
     void mapDimensionsChanged(const QSize &size);
-    void mapNeedsRedrawing();
     void openScriptRequested(QString label);
     void connectionAdded(MapConnection*);
     void connectionRemoved(MapConnection*);

include/mainwindow.h

@@ -185,8 +185,6 @@ private slots:
 
     void onLayoutChanged(Layout *layout);
     void onOpenConnectedMap(MapConnection*);
-    void onMapNeedsRedrawing();
-    void onLayoutNeedsRedrawing();
     void onTilesetsSaved(QString, QString);
     void openNewMapPopupWindow();
     void onNewMapCreated();
@@ -355,7 +353,6 @@ private:
     bool userSetLayout(QString layoutId);
     bool userSetMap(QString);
     void redrawMapScene();
-    void redrawLayoutScene();
     void refreshMapScene();
     void setLayoutOnlyMode(bool layoutOnly);