base: remove repo list

Now that the repos are listed via the sections of the binary packages,
there is no point it listing them again at the top.

app/templates/base.html

@@ -50,15 +50,6 @@ <h4 class="card-title">Base Package: <a href="{{ s.name }}">{{ s.name }}</a></h4
         {% endfor %}
       </dd>
 
-      <dt class="col-sm-3 text-sm-end">Repo(s):</dt>
-      <dd class="col-sm-9">
-        {% for r in s.repos %}
-        {{ r }}{{ ", " if not loop.last else "" }}
-        {% else %}
-        -
-        {% endfor %}
-      </dd>
-
       {% for name, url in s.urls %}
       <dt class="col-sm-3 text-sm-end">{{ name }}:</dt>
       <dd class="col-sm-9">