VOL-1451 Openonu now runs using pyvoltha completely

Remove code that now exists in the library.  Modify include paths
Update requirements to more closely reflect pyvoltha requirements.txt

Change-Id: I94c619de82d8ee14cfeb302b3b82be3a26619301
diff --git a/python/adapters/brcm_openomci_onu/onu_tcont.py b/python/adapters/brcm_openomci_onu/onu_tcont.py
index c5414ee..1f5ad12 100644
--- a/python/adapters/brcm_openomci_onu/onu_tcont.py
+++ b/python/adapters/brcm_openomci_onu/onu_tcont.py
@@ -14,10 +14,9 @@
 # limitations under the License.
 
 import structlog
-from common.frameio.frameio import hexify
 from twisted.internet.defer import  inlineCallbacks, returnValue, succeed
-from voltha.extensions.omci.omci_me import *
-from voltha.extensions.omci.omci_defs import *
+from pyvoltha.adapters.extensions.omci.omci_me import *
+from pyvoltha.adapters.extensions.omci.omci_defs import *
 
 RC = ReasonCodes