ui: display actual fingerprint name with auto-fingerprint (#906)

use platform directly

Co-authored-by: Jason Wen <haibin.wen3@gmail.com>

selfdrive/ui/sunnypilot/qt/offroad/settings/vehicle/platform_selector.cc

@@ -70,14 +70,6 @@ void PlatformSelector::refresh(bool _offroad) {
 
       platform = QString::fromStdString(CP.getCarFingerprint().cStr());
 
-      for (auto it = platforms.constBegin(); it != platforms.constEnd(); ++it) {
-        if (it.value()["platform"].toString() == platform) {
-          platform = it.key();
-          brand = it.value()["brand"].toString();
-          break;
-        }
-      }
-
       if (platform == "MOCK") {
         platform = unrecognized_str;
       } else {