remove unused method

Author: todd5167

core/src/main/java/com/dtstack/flink/sql/Main.java

@@ -27,8 +27,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import ch.qos.logback.classic.Level;
-import ch.qos.logback.classic.LoggerContext;
 
 /**
  * Date: 2018/6/26
@@ -45,10 +43,4 @@ public static void main(String[] args) throws Exception {
         env.execute(paramsInfo.getName());
         LOG.info("program {} execution success", paramsInfo.getName());
     }
-    private static void setLogLevel(String level){
-        LoggerContext loggerContext= (LoggerContext) LoggerFactory.getILoggerFactory();
-        //设置全局日志级别
-        ch.qos.logback.classic.Logger logger = loggerContext.getLogger("root");
-        logger.setLevel(Level.toLevel(level, Level.INFO));
-    }
 }