remove lat/lon and ext from geo object

Author: ChristianPavilonis

crates/common/src/prebid_proxy.rs

@@ -164,20 +164,11 @@ fn enhance_openrtb_request(
 
     // Add geo information if available
     if let Some(geo_info) = GeoInfo::from_request(req) {
-        // Create geo object for OpenRTB
-        // Note: Fastly geo_lookup provides IP-based location
         let geo_obj = json!({
-            "lat": geo_info.latitude,
-            "lon": geo_info.longitude,
             "type": 2, // 2 = IP address location
             "country": geo_info.country, // Note: OpenRTB expects ISO 3166-1 alpha-3, but Fastly provides alpha-2
             "city": geo_info.city,
             "region": geo_info.region,
-            // metro code is included via ext since OpenRTB doesn't have a standard field for it
-            "ext": {
-                "metro_code": geo_info.metro_code,
-                "continent": geo_info.continent
-            }
         });
 
         if !request["device"].is_object() {