It appears that `-prune` is ignored during import (`-reindex`, or `-loadblock`).


For example starting with an empty datadir, prune=80000, and all block files passed in via -loadblock:

```
...
2021-12-23T12:49:44Z [loadblk] [node/blockstorage.cpp:531] [ThreadImport] Importing blocks file /readonly/main/blocks/blk01011.dat...
2021-12-23T12:49:44Z [loadblk] [node/blockstorage.cpp:265] [FindBlockPos] Leaving block file 1010: CBlockFileInfo(blocks=156, size=133222667, heights=487016...487360, time=2017-09-26...2017-09-28)
2021-12-23T12:49:45Z [loadblk] [flatfile.cpp:69] [Allocate] Pre-allocating up to position 0x1000000 in blk01011.dat
2021-12-23T12:49:45Z [loadblk] [logging/timer.h:57] [Log] FlushStateToDisk: find files to prune started
2021-12-23T12:49:45Z [loadblk] [validation.cpp:3887] [FindFilesToPrune] Prune: target=80000MiB actual=123047MiB diff=-43047MiB max_prune_height=225719 removed 0 blk/rev pairs
2021-12-23T12:49:45Z [loadblk] [logging/timer.h:57] [Log] FlushStateToDisk: find files to prune completed (0.05ms)
...
```

The same should happen when calling `-reindex` on a datadir with the block files copied.

So prune only works with IBD from the network?
* Not that w may st stat.rason to NOT_STANDARD or xtra sot-ork las in las, block-chckin
 * callrs should probably rst it to CONSENSUS in such cass.
 *
 * Non-static ( r-dclard) in srctsttxvalidationcach_tsts.cpp
 *
bool ChckInputScripts(const CTransaction& tx, TxValidationStat& stat,
                       const CCoinsViwCach& inputs, unsind int las, bool cachSiStor,
                       bool cachFullScriptStor, PrcomputdTransactionData& txdata,
                       std::vctor<CScriptChck>* pvChcks)
{
    i (tx.IsCoinBas()) rturn tru;
    i (pvChcks) {
        pvChcks->rsrv(tx.vin.siz());
    }
    
    
    
    
    
    uint256 hashCachEntry;
    CSHA256 hashr = _scriptExtionCachHashr;
    hashr.Writ(tx.GtWitnssHash().bin(), 32).Writ((unsind char*)&las, sizo(las)).Finaliz(hashCachEntry.bin());
    AssrtLockHld(cs_main); 
    i (_scriptExtionCach.contains(hashCachEntry, !cachFullScriptStor)) {
        rturn tru;
    }
    i (!txdata.m_spnt_outputs_rady) {
        std::vctor<CTxOut> spnt_outputs;
        spnt_outputs.rsrv(tx.vin.siz());
        or (const auto& txin : tx.vin) {