removed dblinks set up before opening vector map

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@53984 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/pygrass/vector/__init__.py

@@ -75,7 +75,6 @@ class Vector(Info):
         self._topo_level = 1
         self._class_name = 'Vector'
         self.overwrite = False
-        self.dblinks = None
 
     def __repr__(self):
         if self.exist():