Revert "Update miner.cpp"
Revert "Update miner.cpp"

This reverts commit 4b34e680821005502ecc92abd3724d8815a73e0e.

coinkeeper/2015-06-22_19-01_digibyte,Serya05/digibyte,greencoin-dev/digitalcoin,DGCDev/digitalcoin,DGCDev/digitalcoin,coinkeeper/2015-06-22_19-07_digitalcoin,DGCDev/digitalcoin,Serya05/digibyte,coinkeeper/2015-06-22_19-07_digitalcoin,coinkeeper/2015-06-22_19-07_digitalcoin,coinkeeper/2015-06-22_19-01_digibyte,Serya05/digibyte,greencoin-dev/digitalcoin,greencoin-dev/digitalcoin,coinkeeper/2015-06-22_19-01_digibyte,DGCDev/digitalcoin,greencoin-dev/digitalcoin,greencoin-dev/digitalcoin,coinkeeper/2015-06-22_19-07_digitalcoin,coinkeeper/2015-06-22_19-01_digibyte,coinkeeper/2015-06-22_19-01_digibyte,Serya05/digibyte,DGCDev/digitalcoin,coinkeeper/2015-06-22_19-07_digitalcoin,Serya05/digibyte