Tests: Remove on_channels_updated (#5819)
Tests: Remove on_channels_updated (#5819)


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