Update success-stories.html to reduce columns to 2

Author: jarrah42

docs/_includes/home-sections/success-stories.html

@@ -5,7 +5,7 @@ <h2 class="mb-2">{{ page.success_stories_heading }}</h2>
         <p>{{ page.success_stories_subtext }}</p>
       </div>
 
-      <div class="grid grid-cols-1 lg:grid-cols-3 gap-8">
+      <div class="grid grid-cols-1 lg:grid-cols-2 gap-8">
 
         {% assign n = 0 %}
         {% for story in page.success_stories %}