Remove temporary fork handling for emergency difficulty reduction on testnet
Remove temporary fork handling for emergency difficulty reduction on testnet

As we reset testnet, we can also remove the special handling for old blocks.

biblepay/biblepay,nmarley/dash,dashpay/dash,UdjinM6/dash,ionomy/ion,dashpay/dash,biblepay/biblepay,thelazier/dash,nmarley/dash,UdjinM6/dash,UdjinM6/dash,dashpay/dash,nmarley/dash,biblepay/biblepay,thelazier/dash,thelazier/dash,biblepay/biblepay,UdjinM6/dash,ionomy/ion,dashpay/dash,nmarley/dash,biblepay/biblepay,biblepay/biblepay,nmarley/dash,nmarley/dash,biblepay/biblepay,ionomy/ion,thelazier/dash,ionomy/ion,thelazier/dash,ionomy/ion,ionomy/ion,nmarley/dash,UdjinM6/dash,dashpay/dash,biblepay/biblepay