Remove Fruux (#283)

_includes/legacy/sections/calendar-contacts-sync.html

@@ -53,10 +53,6 @@
 <h3>Worth Mentioning</h3>
 
 <ul>
-  <li>
-    <a href="https://fruux.com/">fruux</a> - A unified contacts/calendaring system that works across platforms and devices.
-  </li>
-
   <li>
     <a href="../cloud">Cloud backups</a> - Consider regularly exporting your calendar and or contacts and backing them up on a separate storage drive or uploading them to cloud storage (ideally after <a href="../productivity/#encrypt">encrypting</a> them).
   </li>