Remove outdated code of metabase and localstore

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/local_object_storage/metabase/control.go

@@ -0,0 +1,42 @@
+package meta
+
+import (
+	"fmt"
+	"os"
+	"path"
+
+	"go.etcd.io/bbolt"
+	"go.uber.org/zap"
+)
+
+// Open boltDB instance for metabase.
+func (db *DB) Open() error {
+	err := os.MkdirAll(path.Dir(db.info.Path), db.info.Permission)
+	if err != nil {
+		return fmt.Errorf("can't create dir %s for metabase: %w", db.info.Path, err)
+	}
+
+	db.log.Debug("created directory for Metabase", zap.String("path", db.info.Path))
+
+	db.boltDB, err = bbolt.Open(db.info.Path, db.info.Permission, db.boltOptions)
+	if err != nil {
+		return fmt.Errorf("can't open boltDB database: %w", err)
+	}
+
+	db.log.Debug("opened boltDB instance for Metabase")
+
+	return nil
+}
+
+// Init initializes metabase, however metabase doesn't need extra preparations,
+// so it implemented to satisfy interface of storage engine components.
+func (db *DB) Init() error {
+	db.log.Debug("Metabase has been initialized")
+
+	return nil
+}
+
+// Close closes boltDB instance.
+func (db *DB) Close() error {
+	return db.boltDB.Close()
+}