remove empty lines

code/templates/authenticate.html

@@ -9,6 +9,4 @@
   </form>
   </div>
 </div>
-
-
 {% endblock %}

code/templates/logout.html

@@ -4,7 +4,4 @@
   <p>You logged out from share <a href="{{ url_for('list_view',name=name) }}">{{ name|safe }}</a></p>
   <p>Continue to <a href="{{ url_for('index') }}">index</a></p>
 </div>
-
-
-
 {% endblock %}