wallet: fix unused lambda capture warning

src/wallet/wallet2.cpp

@@ -2860,7 +2860,7 @@ void wallet2::process_parsed_blocks(uint64_t start_height, const std::vector<cry
       THROW_WALLET_EXCEPTION_IF(txidx >= tx_cache_data.size(), error::wallet_internal_error, "txidx out of range");
       const cryptonote::transaction& tx = parsed_blocks[i].block.miner_tx;
       const size_t n_vouts = (m_refresh_type == RefreshType::RefreshOptimizeCoinbase && tx.version < 2) ? 1 : tx.vout.size();
-      tpool.submit(&waiter, [&, i, n_vouts, txidx](){ geniod(tx, n_vouts, txidx); }, true);
+      tpool.submit(&waiter, [&, n_vouts, txidx](){ geniod(tx, n_vouts, txidx); }, true);
     }
     ++txidx;
     for (size_t j = 0; j < parsed_blocks[i].txes.size(); ++j)