Revert "Only display post list if there are posts."

This reverts commit 87c194e.

index.html

@@ -11,15 +11,13 @@
 
 <h2 class="tagline">{{ site.data.text.tagline }}</h2>
 
-{% if posts.length > 0 %}
-  <section class="posts">
-    <h2>{{ site.data.text.post_list_title }}</h2>
-    <ul class="posts">
-    {% for post in posts %}
-      <li><a href="{{ site.baseurl }}{{ post.url }}">{{ post.title }}</a></li>
-    {% endfor %}
-    </ul>
-  </section>
-{% endif %}
+<section class="posts">
+  <h2>{{ site.data.text.post_list_title }}</h2>
+  <ul class="posts">
+  {% for post in posts %}
+    <li><a href="{{ site.baseurl }}{{ post.url }}">{{ post.title }}</a></li>
+  {% endfor %}
+  </ul>
+</section>
 
 {% include pagination.html %}