VOL-2017 eliminate common dir and move its contents up a level

Change-Id: Ia52dac284a7edcdcfe7eaa8c568b84d19d604b58
diff --git a/pkg/db/model/merge.go b/pkg/db/model/merge.go
index b2a0e33..752d025 100644
--- a/pkg/db/model/merge.go
+++ b/pkg/db/model/merge.go
@@ -17,7 +17,7 @@
 package model
 
 import (
-	"github.com/opencord/voltha-lib-go/pkg/common/log"
+	"github.com/opencord/voltha-lib-go/pkg/log"
 )
 
 func revisionsAreEqual(a, b []Revision) bool {