remove unused function

weed/mq/broker/broker_grpc_configure.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/mq/pub_balancer"
-	"github.com/seaweedfs/seaweedfs/weed/mq/schema"
 	"github.com/seaweedfs/seaweedfs/weed/mq/topic"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
@@ -30,9 +29,6 @@ func (b *MessageQueueBroker) ConfigureTopic(ctx context.Context, request *mq_pb.
 
 	// validate the schema
 	if request.RecordType != nil {
-		if _, err = schema.NewSchema(request.Topic.Namespace, request.Topic.Name, request.RecordType); err != nil {
-			return nil, status.Errorf(codes.InvalidArgument, "invalid record type %+v: %v", request.RecordType, err)
-		}
 	}
 
 	t := topic.FromPbTopic(request.Topic)