整好新风的UI，待真实设备测试

tzy

2021-03-23 132ef8524e38d06da8cf74292a3ac1eff065bb1b

 HDL-ON_iOS/Scan.cs

@@ -35,7 +35,6 @@
                var bOn = false;
                mZXingOverlayView.OnCancel += () =>
                {

                    scanner?.Cancel();
                };