Purge TransactionStatus and AddressSignatures exactly from ledger-tool (

#10358)

* Add failing test

* Add execution path to purge primary-index columns exactly

* Fail gracefully if older TransactionStatus rocksdb keys are present

* Remove columns_empty check for special columns

* Move blockstore purge methods to submodule

* Remove unused column empty check

core/src/ledger_cleanup_service.rs

@@ -1,6 +1,6 @@
 //! The `ledger_cleanup_service` drops older ledger data to limit disk space usage
 
-use solana_ledger::blockstore::Blockstore;
+use solana_ledger::blockstore::{Blockstore, PurgeType};
 use solana_ledger::blockstore_db::Result as BlockstoreResult;
 use solana_measure::measure::Measure;
 use solana_sdk::clock::Slot;
@@ -172,6 +172,7 @@ impl LedgerCleanupService {
                         first_slot,
                         lowest_cleanup_slot,
                         delay_between_purges,
+                        PurgeType::PrimaryIndex,
                     );
                     purge_time.stop();
                     info!("{}", purge_time);