Revert "[#866] Use TTL for blobovnicza tree cache"

This reverts commit d9cbb16bd3.

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

pkg/local_object_storage/blobstor/blobovniczatree/option.go

@@ -16,7 +16,6 @@ type cfg struct {
 	readOnly           bool
 	rootPath           string
 	openedCacheSize    int
-	openedCacheTTL     time.Duration
 	blzShallowDepth    uint64
 	blzShallowWidth    uint64
 	blzLeafWidth       uint64
@@ -35,7 +34,6 @@ type Option func(*cfg)
 const (
 	defaultPerm               = 0o700
 	defaultOpenedCacheSize    = 50
-	defaultOpenedCacheTTL     = 0 // means expiring is off
 	defaultBlzShallowDepth    = 2
 	defaultBlzShallowWidth    = 16
 	defaultWaitBeforeDropDB   = 10 * time.Second
@@ -48,7 +46,6 @@ func initConfig(c *cfg) {
 		log:                &logger.Logger{Logger: zap.L()},
 		perm:               defaultPerm,
 		openedCacheSize:    defaultOpenedCacheSize,
-		openedCacheTTL:     defaultOpenedCacheTTL,
 		blzShallowDepth:    defaultBlzShallowDepth,
 		blzShallowWidth:    defaultBlzShallowWidth,
 		reportError:        func(string, error) {},
@@ -108,12 +105,6 @@ func WithOpenedCacheSize(sz int) Option {
 	}
 }
 
-func WithOpenedCacheTTL(ttl time.Duration) Option {
-	return func(c *cfg) {
-		c.openedCacheTTL = ttl
-	}
-}
-
 func WithObjectSizeLimit(sz uint64) Option {
 	return func(c *cfg) {
 		c.blzOpts = append(c.blzOpts, blobovnicza.WithObjectSizeLimit(sz))