RATIS-2200. Make Ratis example log at INFO level (#1189)

Author: kiruthiga1793

ratis-examples/src/main/resources/log4j.properties

@@ -16,10 +16,8 @@
 
 
 log4j.rootLogger=INFO, stdout
-log4j.logger.org.apache.ratis.server.impl.RatisServerImpl=DEBUG
-log4j.logger.org.apache.ratis.client.RaftClient=DEBUG
 
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.Target=System.out
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
+log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n