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

Change-Id: Ia52dac284a7edcdcfe7eaa8c568b84d19d604b58
diff --git a/pkg/db/model/child_type.go b/pkg/db/model/child_type.go
index baf01a2..fae9844 100644
--- a/pkg/db/model/child_type.go
+++ b/pkg/db/model/child_type.go
@@ -20,7 +20,7 @@
 	desc "github.com/golang/protobuf/descriptor"
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/protoc-gen-go/descriptor"
-	"github.com/opencord/voltha-lib-go/pkg/common/log"
+	"github.com/opencord/voltha-lib-go/pkg/log"
 	"github.com/opencord/voltha-protos/go/common"
 	"reflect"
 	"strconv"