channeldb: move node ID/addr funds to node.go
channeldb: move node ID/addr funds to node.go

ddustin/lnd,BitfuryLightning/lnd,bryanvu/lnd,aakselrod/lnd,AndrewSamokhvalov/lnd,BitfuryLightning/lnd,LightningNetwork/lnd,AndrewSamokhvalov/lnd,bryanvu/lnd,aakselrod/lnd,ddustin/lnd,LightningNetwork/lnd