Remove unneeded override of Url#__get_item__

Author: se3000

embedly/models.py

@@ -22,9 +22,3 @@ def __str__(self):
 
     def __unicode__(self):
         return '<%s %s>' % (self.method.title(), self.original_url or "")
-
-    def __getitem__(self, key):
-      if (key in self.data) and (self.data[key] == None):
-        return ''
-      else:
-        return self.data[key]