main website becomes RTD, main website link is pointless

docs/_themes/local/sidebarusefullinks.html

@@ -3,7 +3,6 @@
 
 <h3>Useful Links</h3>
 <ul>
-  <li><a href="https://borgbackup.github.io/borgbackup/">Main Web Site</a></li>
   <li><a href="https://github.com/borgbackup/borg/releases">Releases</a></li>
   <li><a href="https://pypi.python.org/pypi/borgbackup">PyPI packages</a></li>
   <li><a href="https://github.com/borgbackup/borg/blob/master/CHANGES.rst">Current ChangeLog</a></li>