Umbraco-CMS/src/Umbraco.Infrastructure/Migrations/NoopMigration.cs

namespace Umbraco.Cms.Infrastructure.Migrations
{
    public class NoopMigration : MigrationBase
    {
        public NoopMigration(IMigrationContext context) : base(context)
        {
        }

        protected override void Migrate()
        {
            // nop
        }
    }
}