tests: Remove the unrequired VPP IP address/prefix class wrappers

Type: refactor

Change-Id: I204f3f8eebc5f5d5a377e91262f91c615fd00168
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/test/test_vxlan_gbp.py b/test/test_vxlan_gbp.py
index 64e51b0..17ee662 100644
--- a/test/test_vxlan_gbp.py
+++ b/test/test_vxlan_gbp.py
@@ -5,7 +5,6 @@
 import unittest
 from framework import VppTestCase, VppTestRunner
 from template_bd import BridgeDomain
-from vpp_ip import VppIpAddress
 
 from scapy.layers.l2 import Ether, Raw
 from scapy.layers.inet import IP, UDP
@@ -104,8 +103,8 @@
             rip.add_vpp_config()
             r = cls.vapi.vxlan_gbp_tunnel_add_del(
                 tunnel={
-                    'src': VppIpAddress(cls.pg0.local_ip4).encode(),
-                    'dst': VppIpAddress(dest_ip4).encode(),
+                    'src': cls.pg0.local_ip4,
+                    'dst': dest_ip4,
                     'vni': vni,
                     'instance': INVALID_INDEX,
                     'mcast_sw_if_index': INVALID_INDEX,
@@ -147,8 +146,8 @@
             cls.single_tunnel_bd = 1
             r = cls.vapi.vxlan_gbp_tunnel_add_del(
                 tunnel={
-                    'src': VppIpAddress(cls.pg0.local_ip4).encode(),
-                    'dst': VppIpAddress(cls.pg0.remote_ip4).encode(),
+                    'src': cls.pg0.local_ip4,
+                    'dst': cls.pg0.remote_ip4,
                     'vni': cls.single_tunnel_bd,
                     'instance': INVALID_INDEX,
                     'mcast_sw_if_index': INVALID_INDEX,