fix(mobile): clean up and simplify link/section data passed to `Sideb…

…arMobile`

components/site/site.jsx

@@ -20,22 +20,19 @@ import '../logo/logo-style';
 import '../dropdown/dropdown-style.scss';
 
 export default props => {
-  // Retrieve section data
-  let sections = props.children.props.section.all()
-    .map(({ title, url, pages }) => ({
-      title,
-      url,
-      pages: pages.map(({ title, url }) => ({
-        title: title || url, // XXX: Title shouldn't be coming in as undefined
-        url
+  // Retrieve and clean up section data
+  let sections = (
+    props.children.props.section.all()
+      .filter(section => section.pages.length !== 0)
+      .map(({ title, url, pages }) => ({
+        title,
+        url,
+        pages: pages.map(({ title, url }) => ({
+          title: title || url, // XXX: Title shouldn't be coming in as undefined
+          url
+        }))
       }))
-    }));
-
-  // Rename the root section ("webpack" => "Other") and push it to the end
-  let rootIndex = sections.findIndex(section => section.title === 'webpack');
-  let rootSection = sections.splice(rootIndex, 1)[0];
-  rootSection.title = 'Other';
-  sections.push(rootSection);
+  );
 
   return (
     <div id="site" className="site">