remove id from nav buttons

_includes/base/top_nav.html

@@ -25,7 +25,7 @@
       <!-- SEARCH BOX - END -->
       
       {% for link in site.data.navigation.top_nav %}
-        <a id={{link.title}} class="btn navbar-btn {% if link.primary %} navbar-btn-main {% endif %}" aria-label="{{link.label}}" href="{{ link.url | absolute_url }}">
+        <a class="btn navbar-btn {% if link.primary %} navbar-btn-main {% endif %}" aria-label="{{link.label}}" href="{{ link.url | absolute_url }}">
           {{ link.title }}
         </a>
       {% endfor %}