Merge bitcoin#1513: [Trivial] Remove CMasternode::SliceHash

8af3ceb [Trivial] Remove CMasternode::SliceHash (random-zebra)

Pull request description:

  Removes un-used function  `SliceHash` (which is also buggy and overflowing,
  trying to copy 64 bytes to a destination buffer having only 8 bytes).

ACKs for top commit:
  Fuzzbawls:
    ACK 8af3ceb
  furszy:
    ACK 8af3ceb

Tree-SHA512: 70b194196bdc8ac216fc363ba347c77c75492ca2e432458bfa8f0aeeda09f90d401781771da5dec33c44a19a07921ea160787bfbb8b02d5c7193e0c50e64060f

src/masternode.h

@@ -226,13 +226,6 @@ class CMasternode : public CSignedMessage
 
     bool UpdateFromNewBroadcast(CMasternodeBroadcast& mnb);
 
-    inline uint64_t SliceHash(uint256& hash, int slice)
-    {
-        uint64_t n = 0;
-        memcpy(&n, &hash + slice * 64, 64);
-        return n;
-    }
-
     void Check(bool forceCheck = false);
 
     bool IsBroadcastedWithin(int seconds)