VOL-1460 Migrated openonu to voltha-protos

Change-Id: If0115ac617ff4bb8eaf60eaf550f1fffb75f8932
diff --git a/python/adapters/brcm_openomci_onu/main.py b/python/adapters/brcm_openomci_onu/main.py
index 0a86500..6521ba7 100755
--- a/python/adapters/brcm_openomci_onu/main.py
+++ b/python/adapters/brcm_openomci_onu/main.py
@@ -42,13 +42,10 @@
 from pyvoltha.adapters.kafka.kafka_inter_container_library import IKafkaMessagingProxy, \
     get_messaging_proxy
 from pyvoltha.adapters.kafka.kafka_proxy import KafkaProxy, get_kafka_proxy
-from pyvoltha.protos import third_party
-from pyvoltha.protos.adapter_pb2 import AdapterConfig
+from voltha_protos.adapter_pb2 import AdapterConfig
 
 from brcm_openomci_onu import BrcmOpenomciOnuAdapter
 
-_ = third_party
-
 defs = dict(
     version_file='./VERSION',
     config=os.environ.get('CONFIG', './openonu.yml'),