Remove dead link for RailsBridge Green Bay

Fixes #119

Author: tjgrathwell

app/views/static_pages/chapters.html.haml

@@ -152,13 +152,6 @@
           Follow
           %a.inline-link{ href: "https://twitter.com/RailsBridgeSTL", target: "_blank" } @railsbridgeSTL
           for updates!
-  .col-md-4
-    .feature.js-match-height-item
-      %h4 Green Bay, Wisconsin
-      %ul
-        %li
-          Online at
-          %a.inline-link{ href: "http://railsbridgegreenbay.com", target: "_blank" } railsbridgegreenbay.com
 
 %h2.gray-underline East Coast