message: Add comment to remove version-check once CI tooling uses version >= 3.6
diff: @@ -144,8 +144,11 @@ void aggregation_examples(const mongocxx::client& client, const mongocxx::databa
  auto cursor = db["air_alliances"].aggregate(p, mongocxx::options::aggregate{});
  // End Aggregation Example 4
  - // Bit of a hack for now since CI tooling runs an older version of mongo
  - // than this example requires.
  + // TODO: Remove version-check (CXX-1547)
  + // This example uses syntax added in mongo version 3.6. Our CI
  + // tooling runs tests with mongo version 3.4, so this example
  + // fails with a query exception. CXX-1547 tracks removing this
  + // version check once CI tooling uses a later version of the server.
  if (get_server_version(client) >= "3.6" ) {
  auto count = std::distance(cursor.begin(), cursor.end());
  if (count != 0L) {
  