update docs

Author: ttaylor-stack

packages/stacks-docs/_data/site-navigation.json

@@ -227,7 +227,8 @@
             },
             {
               "title": "Buttons",
-              "url": "/product/components/buttons/"
+              "url": "/product/components/buttons/",
+              "new": true
             },
             {
               "title": "Button groups",

packages/stacks-docs/product/components/buttons.html

@@ -125,7 +125,6 @@
 
     <div class="stacks-preview">
 {% highlight html %}
-<button class="s-btn s-btn__featured" type="button">…</button>
 <button class="s-btn s-btn__filled s-btn__featured" type="button">…</button>
 {% endhighlight %}
         <div class="stacks-preview--example">
@@ -178,7 +177,6 @@
     <div class="stacks-preview">
 {% highlight html %}
 <button class="s-btn s-btn__tonal" type="button">…</button>
-<button class="s-btn s-btn__filled s-btn__tonal" type="button">…</button>
 {% endhighlight %}
         <div class="stacks-preview--example">
             <div class="overflow-x-auto">