LN private route hints: don't include low receive capacity channels
LN private route hints: don't include low receive capacity channels

see code comment.

While the balance in the channels might shift before the sender tries to
pay the invoice, as we are not a forwarding node, that seems unlikely to matter.

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