message: [Trivial] Remove CMasternode::SliceHash
  Removes un-used function SliceHash (which is also buggy and overflowing,
  trying to copy 64 bytes to a destination buffer having only 8 bytes).
diff: @@ -226,13 +226,6 @@ public:
  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)
  