Now deletes the destination folder before creating the disc

Allows to shutdown the computer at end

src/devede/interface_manager.py

@@ -255,7 +255,6 @@ class interface_manager(GObject.GObject):
             counter = 0
             dv = 0
             for item in element[1]:
-                print (item)
                 the_list.append([item])
                 if (item == obj):
                     dv = counter