Wuxiuga

Task: 优化日志依赖（LF4J: Class path contains multiple SLF4J bindings.）

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在进行接入bcos链时，在对应目录下执行部署代理合约命令时 `java -cp 'conf/:lib/*:plugin/*' com.webank.wecross.stub.bcos.normal.proxy.ProxyContractDeployment deploy chains/bcos bcos_user1 # deploy conf下的链配置位置 账户名` 返回如下错误：``` SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/Users/demo/routers-payment/127.0.0.1-8250-25500/lib/log4j-slf4j-impl-2.11.2.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/Users/demo/routers-payment/127.0.0.1-8250-25500/plugin/bcos2-stub-1.0.0-rc4.jar!/org/slf4j/impl/StaticLoggerBinder.class]...