Delete metadata tags for the specified resource ids.

        :type resource_ids: list
        :param resource_ids: List of strings

        :type tags: dict or list
        :param tags: Either a dictionary containing name/value pairs
                     or a list containing just tag names.
                     If you pass in a dictionary, the values must
                     match the actual tag values or the tag will
                     not be deleted.  If you pass in a value of None
                     for the tag value, all tags with that name will
                     be deleted.

def delete_tags(self, resource_ids, tags):
        """
        Delete metadata tags for the specified resource ids.

        :type resource_ids: list
        :param resource_ids: List of strings

        :type tags: dict or list
        :param tags: Either a dictionary containing name/value pairs
                     or a list containing just tag names.
                     If you pass in a dictionary, the values must
                     match the actual tag values or the tag will
                     not be deleted.  If you pass in a value of None
                     for the tag value, all tags with that name will
                     be deleted.

        """
        if isinstance(tags, list):
            tags = {}.fromkeys(tags, None)
        params = {}
        self.build_list_params(params, resource_ids, 'ResourceId')
        self.build_tag_param_list(params, tags)
        return self.get_status('DeleteTags', params, verb='POST')