refactor(protocol): prune grpc-gateway proto and support go compile (tronprotocol#6726)

Author: 317787106

docs/implement-a-customized-actuator-en.md

@@ -19,7 +19,6 @@ The logic for `SumContract` is the summation of two numerical values:
 syntax = "proto3";
 package protocol;
 option java_package = "org.tron.protos.contract"; //Specify the name of the package that generated the Java file
-option go_package = "github.com/tronprotocol/grpc-gateway/core";
 message SumContract {
     int64 param1 = 1;
     int64 param2 = 2;
@@ -53,13 +52,6 @@ Then add an `InvokeSum` interface in the Wallet service:
 ```protobuf
 service Wallet {
   rpc InvokeSum (SumContract) returns (Transaction) {
-    option (google.api.http) = {
-      post: "/wallet/invokesum"
-      body: "*"
-      additional_bindings {
-        get: "/wallet/invokesum"
-      }
-    };
   };
   ...
 };

docs/implement-a-customized-actuator-zh.md

@@ -21,7 +21,6 @@ Actuator 模块抽象出4个方法并定义在 `Actuator` 接口中：
 syntax = "proto3";
 package protocol;
 option java_package = "org.tron.protos.contract"; //Specify the name of the package that generated the Java file
-option go_package = "github.com/tronprotocol/grpc-gateway/core";
 message SumContract {
     int64 param1 = 1;
     int64 param2 = 2;
@@ -55,13 +54,6 @@ import "core/contract/math_contract.proto";
 ```protobuf
 service Wallet {
   rpc InvokeSum (SumContract) returns (Transaction) {
-    option (google.api.http) = {
-      post: "/wallet/invokesum"
-      body: "*"
-      additional_bindings {
-        get: "/wallet/invokesum"
-      }
-    };
   };
   ...
 };