Removes "all books" link from profile when there are none

bookwyrm/templates/user/user.html

@@ -51,9 +51,15 @@ <h3>
             {% endfor %}
             </div>
         </div>
+        {% empty %}
+        <p class="column">
+            <em>No books found.</em>
+        </p>
         {% endfor %}
     </div>
+    {% if shelves.exists %}
     <small><a href="{% url 'user-shelves' user|username %}">{% trans "View all books" %}</a></small>
+    {% endif %}
 </div>
 {% endif %}
 
@@ -119,16 +125,16 @@ <h2 class="title column">{% trans "User Activity" %}</h2>
         </div>
         {% endif %}
     </div>
+
     {% for activity in activities %}
     <div class="block" id="feed_{{ activity.id }}">
         {% include 'snippets/status/status.html' with status=activity %}
     </div>
-    {% endfor %}
-    {% if not activities %}
+    {% empty %}
     <div class="block">
         <p><em>{% trans "No activities yet!" %}</em></p>
     </div>
-    {% endif %}
+    {% endfor %}
 
     {% include 'snippets/pagination.html' with page=activities path=user.local_path anchor="#feed" mode="chronological" %}
 </div>