[Delete] 删除不再使用的类和方法;

[Update] 优化Javadoc并设置编译注解, 优化代码;
[Change] 调整部分日志的输出级别;
[Change] RedisPoolCacheStore clear方法将根据返回信息确定是否清空成功;
[Change] Dockerfile.sample 调整镜像构建步骤;

Dockerfile.sample

@@ -4,4 +4,5 @@ ENV jarFileName=ContentGrabbingJi-exec.jar
 COPY ${jarFileName} /program/CGJ.jar
 RUN mkdir /program/data
 
-CMD cd /program/data && java -jar /program/CGJ.jar botMode
+WORKDIR /program/data
+CMD java -jar /program/CGJ.jar botMode