Remove extra sort when listing out leadership council (#670)

Fixes #652
Because we're already sorting the leadership council when assigning the `council` variable, there's no need to try and sort it again in the later `for` loop

Author: dragid10

about.html

@@ -82,7 +82,7 @@ <h3>BPD Leadership Council</h3>
   <article>
     <p>We also vet our actions through our Black Python Devs Leadership Council made up of members who serve as Python Community leaders on a local, regional, or global scale.</p>
     <div>
-      {% assign council = site.data.leadership.Council | sort %} {% for leader in council | sort %}
+      {% assign council = site.data.leadership.Council | sort %} {% for leader in council %}
       <ul>
         <li><strong>{{ leader }}</strong></li>
       </ul>