Update index.html

Remove missing metadata include

Author: KristenScotti

_layouts/index.html

@@ -2,7 +2,10 @@
 layout: default
 ---
 
+{%- comment -%}
 {% include metadata.liquid %}
+{%- endcomment -%}
+
 {% include header.html %}
 {% assign index_bg = site.data.skin.index.bg  | default: 'gray-2' %}
 
@@ -58,4 +61,4 @@ <h1 class="display-3">{{ title }}</h1>
     </div>
 </main>
 
-{% include footer.html %}
+{% include footer.html %}