message: removing apocaliptic comment
diff: @@ -550,7 +550,7 @@ bool CalculateAccumulatorWitnessFor(
  // Get the base accumulator
  //CBigNum bnAccValue = accumulator.getValue();
  - // TODO: This must not be calculated in this way.. the full node will never receive checkpointed acc values.
  + // TODO: This needs to be changed to the partial witness calculation on the next version.
  CBigNum bnAccValue = 0;
  if (GetAccumulatorValue(nHeightCheckpoint, den, bnAccValue)) {
  accumulator.setValue(bnAccValue);
  