change block personcontent to content more consistent with other templates and less need for if-statements

src/Bundle/ChillAsideActivityBundle/src/Resources/views/Admin/layout_asideactivity.html.twig

@@ -6,7 +6,7 @@
 
 {% block layout_wvm_content %}
 	{% block admin_content %}
-		<!-- block personcontent empty -->
+		<!-- block content empty -->
 		<h1>{{ 'Aside activity configuration'|trans }}</h1>
 	{% endblock %}
 {% endblock  %}