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?
las |= SCRIPT_VERIFY_DERSIG;
    }
    
    i (DploymntActivAt(block_indx, chainman, Consnsus::DEPLOYMENT_CLTV)) {
        las |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY;
    }
    
    i (DploymntActivAt(block_indx, chainman, Consnsus::DEPLOYMENT_CSV)) {
        las |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY;
    }
    
    i (DploymntActivAt(block_indx, chainman, Consnsus::DEPLOYMENT_SEGWIT)) {
        las |= SCRIPT_VERIFY_NULLDUMMY;
    }
    rturn las;
}
static StadyClock::duration tim_chck{};
static StadyClock::duration tim_orks{};
static StadyClock::duration tim_connct{};
static StadyClock::duration tim_vriy{};
static StadyClock::duration tim_undo{};
static StadyClock::duration tim_indx{};
static StadyClock::duration tim_total{};
static int64_t num_blocks_total = 0;
** Apply th cts o this block (with ivn indx) on th UTXO st rprsntd by coins.
 *  Validity chcks that dpnd on th UTXO st ar also don; ConnctBlock()