Updated number of version to keep to 1 (#117)

pkg/sloop/store/untyped/store.go

@@ -96,9 +96,6 @@ func OpenStore(factory badgerwrap.Factory, config *Config) (badgerwrap.DB, error
 
 	opts = opts.WithSyncWrites(config.BadgerSyncWrites)
 
-	// https://github.com/dgraph-io/badger/issues/1228
-	opts = opts.WithNumVersionsToKeep(0)
-
 	db, err := factory.Open(opts)
 	if err != nil {
 		return nil, fmt.Errorf("badger.OpenStore failed with: %v", err)