replaced fxa-geodb with load balancer header

Co-authored-by: timvisee <tim@visee.me>

server/routes/download.js

@@ -31,6 +31,8 @@ module.exports = async function(req, res) {
       statDownloadEvent({
         id,
         ip: req.ip,
+        country: req.geo.country,
+        state: req.geo.state,
         owner: meta.owner,
         download_count: dl,
         ttl,