code: function _removeMany(
    ownerModel,
    ownerId,
    childModel,
    associationName,
    payload,
    Log
  ) {
    let request = { params: { ownerId: ownerId }, payload: payload }
    return _removeManyHandler(
      ownerModel,
      ownerId,
      childModel,
      associationName,
      request,
      Log
    )
  }
docs: RemoveMany function exposed as a mongoose wrapper.
  @param ownerModel: The model that is being removed from.
  @param ownerId: The id of the owner document.
  @param childModel: The model that is being removed.
  @param associationName: The name of the association from the ownerModel's perspective.
  @param payload: A list of ids
  @param Log: A logging object
  @returns {object} A promise returning true if the remove succeeds.
  @private