Revert "Require startingheight >= 230000"
Revert "Require startingheight >= 230000"

This reverts commit e4330f9be4195c92cf74bba1e67583f0901b5e9b.

MineChuteDev/BitcoinTX-dnsseeder,MineChuteDev/BitcoinTX-dnsseeder,MineChuteDev/BitcoinTX-dnsseeder,MineChuteDev/BitcoinTX-dnsseeder