deleteAll = async (funcLogger, collectionName, filter) => {
  const logger = funcLogger.child({ helper: 'mongo', funcName: 'deleteAll' });

  logger.debug({ collectionName, filter }, 'Deleting documents from MongoDB');
  const collection = database.collection(collectionName);
  const result = collection.deleteMany(filter, {
    // https://docs.mongodb.com/v3.2/reference/write-concern/
    writeConcern: {
      w: 0,
      j: false
    }
  });
  logger.debug({ result }, 'Deleted documents from MongoDB');

  return result;
}
Delete all rows

@param {*} funcLogger
@param {*} collectionName
@param {*} filter

@returns