[#1598] golangci: Enable unparam linter

To drop unnecessary parameters and return values.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/local_object_storage/blobstor/blobovniczatree/iterate.go

@@ -249,6 +249,12 @@ func (b *Blobovniczas) iterateSortedDBPaths(ctx context.Context, addr oid.Addres
 }
 
 func (b *Blobovniczas) iterateSordedDBPathsInternal(ctx context.Context, path string, addr oid.Address, f func(string) (bool, error)) (bool, error) {
+	select {
+	case <-ctx.Done():
+		return false, ctx.Err()
+	default:
+	}
+
 	sysPath := filepath.Join(b.rootPath, path)
 	entries, err := os.ReadDir(sysPath)
 	if os.IsNotExist(err) && b.readOnly && path == "" { // non initialized tree in read only mode