Refactor peer creation to include geolocation data and server details

lib/core/utils.dart

@@ -139,19 +139,6 @@ Future<GeolocationData> getGeolocationData() async {
   }
 }
 
-@deprecated
-/// Get the current WAN IP address of the device.
-Future<String> getWanIp() async {
-  // Get the IP address of the server. https://api.ipify.org?format=json
-  var ipResponse = await http.get(Uri.parse('https://api.ipify.org?format=json'));
-  if (ipResponse.statusCode == 200) {
-    var ipData = jsonDecode(ipResponse.body);
-    return ipData['ip'] as String;
-  } else {
-    throw Exception('Failed to get server IP address');
-  }
-}
-
 /// Check if Wireguard is installed on the system.
 Future<bool> isWireguardInstalled() async {
   try {