kick out prototyping stuff

* closes #58

client/src/data/menu.json

@@ -17,9 +17,5 @@
   {
     "title": "About",
     "link": "/about"
-  },
-  {
-    "title": "Styleguide",
-    "link": "/styleguide"
   }
 ]

client/src/routes/Details/AssetDetails.tsx

@@ -80,9 +80,9 @@ export default class AssetDetails extends PureComponent<AssetDetailsProps> {
                     ddo={ddo}
                 />
 
-                <pre>
+                {/* <pre>
                     <code>{JSON.stringify(metadata, null, 2)}</code>
-                </pre>
+                </pre> */}
             </>
         )
     }