wallet: minor clean-up
wallet: minor clean-up

spesmilo/electrum,spesmilo/electrum,vialectrum/vialectrum,vialectrum/vialectrum,spesmilo/electrum,pooler/electrum-ltc,wakiyamap/electrum-mona,wakiyamap/electrum-mona,wakiyamap/electrum-mona,spesmilo/electrum,pooler/electrum-ltc,wakiyamap/electrum-mona,pooler/electrum-ltc,pooler/electrum-ltc,vialectrum/vialectrum