[RPC] Disable zerocoin minting
[RPC] Disable zerocoin minting

disabling also remint of change of a zc spend

npccoin/npccoin,Mrs-X/Darknet,npccoin/npccoin,Mrs-X/PIVX,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,Mrs-X/Darknet,Mrs-X/Darknet,Mrs-X/Darknet,PIVX-Project/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,npccoin/npccoin,PIVX-Project/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,Mrs-X/PIVX,Mrs-X/PIVX,Darknet-Crypto/Darknet,Mrs-X/Darknet,PIVX-Project/PIVX,Mrs-X/Darknet,npccoin/npccoin,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,npccoin/npccoin,Mrs-X/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,Mrs-X/PIVX,Mrs-X/PIVX,npccoin/npccoin