Revert "fix: remove persistence layer for metacache store in memory (#11538)"

This reverts commit b23659927c.

cmd/erasure.go

@@ -30,7 +30,6 @@ import (
 	"github.com/minio/minio/pkg/color"
 	"github.com/minio/minio/pkg/dsync"
 	"github.com/minio/minio/pkg/madmin"
-	"github.com/minio/minio/pkg/objcache"
 	"github.com/minio/minio/pkg/sync/errgroup"
 )
 
@@ -71,9 +70,6 @@ type erasureObjects struct {
 	// Byte pools used for temporary i/o buffers.
 	bp *bpool.BytePoolCap
 
-	// holds current list cache.
-	metaCache *objcache.Cache
-
 	mrfOpCh chan partialOperation
 }