Deleted spring cloud dubbo information

README.md

@@ -106,7 +106,6 @@ Examples：
 
 [Alibaba Cloud OSS Example](https://github.com/alibaba/aliyun-spring-boot/tree/master/aliyun-spring-boot-samples/aliyun-oss-spring-boot-sample)
 
-[Dubbo Spring Cloud Example](https://github.com/alibaba/spring-cloud-alibaba/blob/master/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/README_CN.md)
 
 ## Version control guidelines
 The version number of the project is in the form of x.x.x, where x is a number, starting from 0, and is not limited to the range 0~9. When the project is in the incubator phase, the version number is 0.x.x.