wxGUI/swipe: bugfix

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@52603 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/swipe/frame.py

@@ -298,7 +298,6 @@ class SwipeMapFrame(DoubleMapFrame):
         """
         Debug.msg (3, "SwipeMapFrame.SetLayer(): name=%s" % name)
         
-        self.rasters['first'] = name
         # this simple application enables to keep only one raster
         mapInstance.DeleteAllLayers()
         cmdlist = ['d.rast', 'map=%s' % name]