合并嘉乐lc代码

wxr

2021-07-01 adc150efb13a0506f45a3c344c3ee2ef2dba8e90

 HDL-ON_iOS/Scan.cs

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

                    scanner?.Cancel();
                };