pending_operation_add_group: remove group from groups_to_remove if needed
pending_operation_add_group: remove group from groups_to_remove if needed

freedesktop-unofficial-mirror/wocky,noonien-d/wocky,noonien-d/wocky,noonien-d/wocky,freedesktop-unofficial-mirror/wocky,freedesktop-unofficial-mirror/wocky