2021-07-09 1.告警消息相关接口替换，改为河东管理

JLChen

2021-07-09 954202b30a4685177ace5189c4d835fcc7903e70

 HDL-ON_iOS/Scan.cs

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

                    scanner?.Cancel();
                };