message: [DataFormatter] Remove dead code for the NSDictionary formatter.
  I'm going to make changes in this area soon, so I figured I
  could clean things a bit while I was around.
diff: @@ -424,16 +424,6 @@ bool lldb_private::formatters::NSDictionarySummaryProvider(
  } else if (class_name == g_Dictionary1) {
  value = 1;
  }
  - /*else if (!strcmp(class_name,"__NSCFDictionary"))
  - {
  - Status error;
  - value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + (is_64bit ?
  - 20 : 12), 4, 0, error);
  - if (error.Fail())
  - return false;
  - if (is_64bit)
  - value &= ~0x0f1f000000000000UL;
  - }*/
  else {
  auto &map(NSDictionary_Additionals::GetAdditionalSummaries());
  for (auto &candidate : map) {
  