message: removed the define in policy as requested
diff: class CCoinsViewCache;
  /** Default for -blockmaxsize and -blockminsize, which control the range of sizes the mining code will create **/
  -#ifdef BITCOIN_CASH
  static const unsigned int DEFAULT_BLOCK_MAX_SIZE = 2000000;
  -#else
  -// BU: crank the default up to the minimum max defined in all clients.
  -static const unsigned int DEFAULT_BLOCK_MAX_SIZE = BLOCKSTREAM_CORE_MAX_BLOCK_SIZE;
  -#endif
  static const unsigned int DEFAULT_BLOCK_MIN_SIZE = 0;
  /** Default for -blockprioritysize, a 5% maximum space for zero/low-fee transactions **/
  