[VOL-4371] Voltha protos cleanup

Change-Id: Id8dc0fc56aaf4228e9f6c7e4629a6a1897de5b31
diff --git a/internal/pkg/openflow/group.go b/internal/pkg/openflow/group.go
index ae45ede..6d55867 100644
--- a/internal/pkg/openflow/group.go
+++ b/internal/pkg/openflow/group.go
@@ -24,7 +24,6 @@
 	ofp "github.com/opencord/goloxi/of13"
 	"github.com/opencord/voltha-lib-go/v7/pkg/log"
 	"github.com/opencord/voltha-protos/v5/go/openflow_13"
-	"github.com/opencord/voltha-protos/v5/go/voltha"
 )
 
 func (ofc *OFConnection) handleGroupMod(ctx context.Context, groupMod ofp.IGroupMod) {
@@ -40,7 +39,7 @@
 
 	groupUpdate := &openflow_13.FlowGroupTableUpdate{
 		Id: ofc.DeviceID,
-		GroupMod: &voltha.OfpGroupMod{
+		GroupMod: &openflow_13.OfpGroupMod{
 			Command: openflowGroupModCommandToVoltha(ctx, groupMod.GetCommand()),
 			Type:    openflowGroupTypeToVoltha(ctx, groupMod.GetGroupType()),
 			GroupId: groupMod.GetGroupId(),