removed dead links

removed 6box links

bookmarks.html

@@ -432,7 +432,6 @@
 </DL></p>
 <DT><H3>Free Indexers</H3>
 <DL><p>
-<DT><A HREF="https://6box.me/">6box</A>
 <DT><A HREF="https://usenet-crawler.com/">Usenet Crawler</A>
 <DT><A HREF="https://www.nzbindex.com">NZBIndex</A>
 <DT><A HREF="https://www.binsearch.info/">Binsearch</A>

readme.html

@@ -1747,7 +1747,6 @@ ltConfig is a plugin for Deluge that allows direct modification to libtorrent se
 <a id="user-content-free-indexers" class="anchor" href="#free-indexers" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Free Indexers</h4>
 <ul>
 <li>
-<a href="https://6box.me/" rel="nofollow">6box</a> <g-emoji class="g-emoji" alias="star2" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f31f.png">🌟</g-emoji> A recently revived free Usenet indexing service with a generous API</li>
 <li>
 <a href="https://usenet-crawler.com/" rel="nofollow">Usenet Crawler</a> Usenet indexer with API access for registered users</li>
 <li>

readme.md

@@ -544,7 +544,6 @@ ltConfig is a plugin for Deluge that allows direct modification to libtorrent se
 - [omgwtfnzbs](https://omgwtfnzbs.me/login) Invite-only NZB indexer with a funny name.
 
 #### Free Indexers
-- [6box](https://6box.me/) :star2: A recently revived free Usenet indexing service with a generous API
 - [Usenet Crawler](https://usenet-crawler.com/) Usenet indexer with API access for registered users
 - [NZBIndex](https://www.nzbindex.com) The first free Usenet indexer you find in your Google search results
 - [Binsearch](https://www.binsearch.info/) With this site you can search and browse binary Usenet newsgroups.