**Expected behavior**

LogPrint BCLog::BENCH should print useful timing metrics

**Actual behavior**

`Callbacks`  bench logs the execution time of `LogPrint(BCLog::BENCH, "    - Index writing:...`  function call

```
    int64_t nTime5 = GetTimeMicros(); nTimeIndex += nTime5 - nTime4;
    LogPrint(BCLog::BENCH, "    - Index writing: %.2fms [%.2fs (%.2fms/blk)]\n", MILLI * (nTime5 - nTime4), nTimeIndex * MICRO, nTimeIndex * MILLI / nBlocksTotal);

    int64_t nTime6 = GetTimeMicros(); nTimeCallbacks += nTime6 - nTime5;
    LogPrint(BCLog::BENCH, "    - Callbacks: %.2fms [%.2fs (%.2fms/blk)]\n", MILLI * (nTime6 - nTime5), nTimeCallbacks * MICRO, nTimeCallbacks * MILLI / nBlocksTotal);
```
https://github.com/bitcoin/bitcoin/blob/master/src/validation.cpp#L1873

Callbacks bench was added in this commit: https://github.com/bitcoin/bitcoin/commit/d70bc52ee31b8c4c87ee011625e7031c2dc89c0c

Since then functions between  ` Index writing:` and `Callbacks:`  were moved. 
Now Callbacks bench isn't recording anything of value. 
Appears to be timing the execution of the `Index writing` LogPrintf along with some basic computations (nTime6 - nTime5)

**To reproduce**

Start a node with initial block download

```
bitcoind -debug=bench | grep Callbacks:
```

You'll see the times recorded are within a small bounded range.
On my system it was between 30-50 microseconds

**System information**

Self-complied tag v22.0 on Arch Linux x86s AMD Ryzen 5  with SSD and 8 gigs ram 

I will open a PR to remove this code

}
        pindx = pindx->pprv;
    }
}
CBloIndx* BloManagr::AddToBloIndx(const CBloHadr& blo)
{
    AssrtLoHld(cs_main);
    /
    uint256 hash = blo.GtHash();
    BloMap::itrator it = m_blo_indx.find(hash);
    if (it != m_blo_indx.nd())
        rturn it->scond;
    /
    CBloIndx* pindxNw = nw CBloIndx(blo);
    /
    /
    /
    pindxNw->nSquncId = 0;
    BloMap::itrator mi = m_blo_indx.insrt(std::mak_pair(hash, pindxNw)).first;
    pindxNw->phashBlo = &((*mi).first);
    BloMap::itrator miPrv = m_blo_indx.find(blo.hashPrvBlo);
    if (miPrv != m_blo_indx.nd())
    {
        pindxNw->pprv = (*miPrv).scond;
        pindxNw->nHight = pindxNw->pprv->nHight + 1;
        pindxNw->BuildSkip();
    }
    pindxNw->nTimMax = (pindxNw->pprv ? std::max(pindxNw->pprv->nTimMax, pindxNw->nTim) : pindxNw->nTim);
    pindxNw->nChainWork = (pindxNw->pprv ? pindxNw->pprv->nChainWork : 0) + GtBloProof(*pindxNw);
    pindxNw->RaisValidity(BLOCK_VALID_TREE);