chore: remove compatibility/rpc,tracing,polaris/limit

Author: zbchi

README.md

@@ -52,14 +52,8 @@ A collection of runnable Dubbo-go examples covering configuration, registries, o
 
 * `compatibility/generic`: Generic invocation example.
 * `compatibility/polaris`:  Dubbo-go integrate with polaris samples.
-    * `compatibility/polaris/limit`: Quickly experience Polaris' service current limiting capabilities in dubbogo
     * `compatibility/polaris/registry`: Quickly experience Polaris' service registration and service discovery capabilities in dubbogo
     * `compatibility/polaris/router`: Quickly experience Polaris' service routing capabilities in dubbogo
-* `compatibility/rpc`: Dubbo protocol communication examples.
-  * `compatibility/rpc/dubbo`: Dubbo-go 3.0 RPC example between Java and Go.
-  * `compatibility/rpc/grpc`: Dubbo-go RPC example based on gRPC.
-  * `compatibility/rpc/jsonrpc`: Dubbo-go RPC example based on JSON-RPC.
-  * `compatibility/rpc/triple`: Dubbo-go RPC examples based on `hessian2`/`msgpack`/`pb` (protobuf v3)/`pb2` (protobuf v2)/self-defined serialization.
 
 ### Tools
 

README_CN.md

@@ -52,14 +52,8 @@
 
 * `compatibility/generic`：泛化调用示例。
 * `compatibility/polaris`:  Dubbo-go 与 polaris 集成示例.
-    * `compatibility/polaris/limit`: 在 dubbogo 中快速体验北极星的服务限流能力
     * `compatibility/polaris/registry`: 在 dubbogo 中快速体验北极星的服务注册以及服务发现能力
     * `compatibility/polaris/router`: 在 dubbogo 中快速体验北极星的服务路由能力
-* `compatibility/rpc`：Dubbo 协议通信示例。
-  * `compatibility/rpc/dubbo`：Dubbo-go 3.0 下 Java 与 Go 的 RPC 示例。
-  * `compatibility/rpc/grpc`：基于 gRPC 的 Dubbo-go RPC 示例。
-  * `compatibility/rpc/jsonrpc`：基于 JSON-RPC 的 Dubbo-go RPC 示例。
-  * `compatibility/rpc/triple`：基于 `hessian2` / `msgpack` / `pb`（protobuf v3）/ `pb2`（protobuf v2）/ 自定义序列化 的 Triple 协议示例。
 
 ### 工具