Enable VOLTHA auto configuration during test module setup.
Also remove voltha configuration of test module teardown.
The test case files just have to import setup_module, teardown_module from CordTestConfig

Change-Id: I13d04931d947714a67cc665f48c0351a2431875c
diff --git a/src/test/utils/VolthaCtrl.py b/src/test/utils/VolthaCtrl.py
index 955644e..9e9b757 100644
--- a/src/test/utils/VolthaCtrl.py
+++ b/src/test/utils/VolthaCtrl.py
@@ -349,4 +349,5 @@
     time.sleep(10)
     if olt_app is None:
         olt_app = get_olt_app()
+    log.info('Uninstalling OLT app %s' %olt_app)
     OnosCtrl.uninstall_app(olt_app)