test/vpp_ip_route.py: Trivial. Remove duplicate key.
@@ -317,7 +317,6 @@ class VppRoutePath(object):
def encode(self):
return {'next_hop': self.nh_addr,
'weight': 1,
- 'afi': 0,
'preference': 0,
'table_id': self.nh_table_id,
'next_hop_id': self.next_hop_id,
