Revert "Templates: temporarily remove torrent link from Download page"

This reverts commit 13572bc.

Author: laanwj

_includes/download_release.html

@@ -4,3 +4,5 @@
 {% assign magnet=page.optional_magnetlink %}
 <https://bitcoincore.org{{ PATH_PREFIX }}/>
 
+<a href="https://bitcoincore.org{{ PATH_PREFIX }}/{{ FILE_PREFIX }}.torrent" class="dl">Download torrent</a>
+  {% if magnet %} <a href="{{ magnet | replace: '&', '\&amp;'}}" class="magnetlink" data-proofer-ignore></a>{% endif %}<br>

_includes/templates/download.html

@@ -70,6 +70,8 @@ <h2>{{ page.latestversion }} {{CURRENT_RELEASE}} <a type="application/rss+xml" h
     </div>
     <p class="downloadmore">
       <a href="{{ PATH_PREFIX }}/SHA256SUMS.asc" class="dl">{{ page.downloadsig }}</a><br>
+      <a href="{{ PATH_PREFIX }}/{{ FILE_PREFIX }}.torrent" class="dl">{{ page.downloadtorrent }}</a>
+        {% if magnet %} <a href="{{ magnet | replace: '&', '\&amp;'}}" class="magnetlink" data-proofer-ignore></a>{% endif %}<br>
       <a href="{{ PATH_PREFIX }}/{{ FILE_PREFIX}}.tar.gz" class="dl">{{ page.source }}</a><br>
       <a href="/en/releases">{{ page.versionhistory }}</a>
     </p>