Cleanup and update copyrights

src/init.h

@@ -1,5 +1,6 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin Core developers
+// Copyright (c) 2019-2020 The Hush developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -23,8 +24,6 @@
 
 #include <string>
 
-//#include "zcash/JoinSplit.hpp"
-
 class CScheduler;
 class CWallet;
 
@@ -34,7 +33,6 @@ class thread_group;
 } // namespace boost
 
 extern CWallet* pwalletMain;
-//extern ZCJoinSplit* pzcashParams;
 
 void StartShutdown();
 bool ShutdownRequested();