Revert shred fs (#9712)

* Revert "Untar is called for shred archives that do not exist. (#9565)"

This reverts commit 729cb5eec6.

* Revert "Dont insert shred payload into rocksdb (#9366)"

This reverts commit 5ed39de8c5.

ledger/src/blockstore_meta.rs

@@ -43,7 +43,7 @@ pub struct Index {
 #[derive(Clone, Debug, Default, Deserialize, Serialize, PartialEq)]
 pub struct ShredIndex {
     /// Map representing presence/absence of shreds
-    pub index: BTreeSet<u64>,
+    index: BTreeSet<u64>,
 }
 
 #[derive(Clone, Copy, Debug, Default, Deserialize, Serialize, Eq, PartialEq)]

ledger/src/hardened_unpack.rs

@@ -206,9 +206,6 @@ fn is_valid_genesis_archive_entry(parts: &[&str], kind: tar::EntryType) -> bool
         (["rocksdb"], Directory) => true,
         (["rocksdb", ..], GNUSparse) => true,
         (["rocksdb", ..], Regular) => true,
-        (["shreds", ..], Directory) => true,
-        (["shreds", ..], GNUSparse) => true,
-        (["shreds", ..], Regular) => true,
         _ => false,
     }
 }