Revert "Extend fork block height"
Revert "Extend fork block height"

This reverts commit 079fa58500734cd923cd2681798a57516efc6368.

DustCoinProject/DustCoin,DustCoinProject/DustCoin,DustCoinProject/DustCoin,DustCoinProject/DustCoin,DustCoinProject/DustCoin