Remove matrix link

Author: Eeems

src/_themes/toltec/sidefooter.html

@@ -1,9 +1,6 @@
 <footer class="sidebar-footer">
     <p>
         <a class="icon icon-discord" href="https://discord.gg/ATqQGfu">Discord</a>
-        &emsp;
-        <a class="icon icon-matrix" href="https://matrix.to/#/#remarkable:matrix.org">Matrix</a>
-        <br>
         <a class="icon icon-github" href="https://github.com/toltec-dev/toltec">GitHub</a>
     </p>
     <p class="sidebar-copyright">