def remove_for_target(self, target, products):
    """Updates the products for a particular target, removing the given existing entries.

    :API: public

    :param target: The target to remove the products for.
    :param products: A list of tuples (conf, path) to remove.
    """
    for product in products:
      self._products_by_target[target].discard(product)
Updates the products for a particular target, removing the given existing entries.

    :API: public

    :param target: The target to remove the products for.
    :param products: A list of tuples (conf, path) to remove.