message: BitGoJS: remove numTx, numUnspents from nocks
  They are not needed and we are trying to phase them out
  Issue:
diff: @@ -1581,8 +1581,6 @@ module.exports.nockWrongChainRecoveries = function(bitgo) {
  },
  balance: {
  updated: '2018-03-27T23:33:10.713Z',
  - numTx: 2,
  - numUnspents: 0,
  totalReceived: 60000000,
  totalSent: 60000000,
  },
  @@ -1629,8 +1627,6 @@ module.exports.nockWrongChainRecoveries = function(bitgo) {
  },
  balance: {
  updated: '2018-03-27T23:29:42.799Z',
  - numTx: 2,
  - numUnspents: 0,
  totalReceived: 65000000,
  totalSent: 65000000,
  },
  