test/vpp_papi_provider.py: Fix simple copy/paste error.
@@ -3579,7 +3579,6 @@ class VppPapiProvider(object):
return self.api(self.papi.gbp_endpoint_add,
{'endpoint': {
'sw_if_index': sw_if_index,
- 'flags': 0,
'ips': ips,
'n_ips': len(ips),
'mac': mac,
