FeedDiscussionsPlugin::RemoveFeed PHP Method

    protected function RemoveFeed($FeedKey, $PreEncoded = TRUE)
    {
        $FeedKey = !$PreEncoded ? self::EncodeFeedKey($FeedKey) : $FeedKey;
        $this->SetUserMeta(0, "Feed.{$FeedKey}", NULL);
        // regenerate the internal feed list
        $this->GetFeeds(TRUE, TRUE);
    }