chore: remove deprecated compatibility/tls (#1010)

Author: zbchi

README.md

@@ -62,7 +62,6 @@ A collection of runnable Dubbo-go examples covering configuration, registries, o
   * `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.
-* `compatibility/tls`: Uses TLS encryption in `getty` (TCP)/`triple`/`gRPC` communication modes.
 * `compatibility/tracing`: Tracing examples.
 
 ### Tools

README_CN.md

@@ -62,7 +62,6 @@
   * `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。
-* `compatibility/tls`：在 `getty`（TCP）/`triple`/`gRPC` 通信模式下使用 TLS 加密的示例。
 * `compatibility/tracing`：链路追踪示例。
 
 ### 工具