优化通道同步添加对SN的判断，精简代码

648540858

2022-04-17 0dc1807f621ce9077b58dff40ad4485c9a3d6c40

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/CancelRequestProcessor.java

@@ -9,10 +9,8 @@

import javax.sip.RequestEvent;

/**    
 * @description:CANCEL请求处理器
 * @author: swwheihei
 * @date:   2020年5月3日 下午5:32:23     
/**
 * SIP命令类型： CANCEL请求
 */
@Component
public class CancelRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {