replace if-cases to annotate

fet2020/templates/home.html

@@ -12,11 +12,7 @@
             <div class="news-hero-text">
                 <hr>
                 <div class="article-date">
-                    {% if post.post_type != 'N' %}
-                        <p>{{ post.event_start|date:"d. F Y" }}</p>
-                    {% else %}
-                        <p>{{ post.public_date|date:"d. F Y" }}</p>
-                    {% endif %}
+                    <p>{{ post.date|date:"d. F Y" }}</p>
                 </div>
                 <div class="article-title">
                     <h1>{{ post.title|safe }}</h1>