removes description from navigiation

(to be added on the main page in a more detailed fashion)

_includes/navigation.html

@@ -28,7 +28,6 @@
   		<a href="{{ site.url }}/" class="site-logo" rel="home" title="{{ site.title }}"><img src="{{ site.url }}/images/{{ site.logo }}" width="200" height="200" alt="{{ site.title }} logo" class="animated fadeInDown"></a>
       {% endif %}
       <h1 class="site-title animated fadeIn"><a href="{{ site.url }}/">{{ site.title }}</a></h1>
-		<h2 class="site-description animated fadeIn" itemprop="description">{{ site.description }}</h2>
 	</div>
 </header><!-- /.masthead -->{% endif %}