server: remove unused code

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

server/request.go

@@ -1,21 +1,9 @@
 package server
 
 import (
-	raw "github.com/unistack-org/micro-codec-bytes"
 	"github.com/unistack-org/micro/v3/codec"
 )
 
-type rpcRequest struct {
-	service     string
-	method      string
-	contentType string
-	codec       codec.Codec
-	header      map[string]string
-	body        []byte
-	stream      bool
-	payload     interface{}
-}
-
 type rpcMessage struct {
 	topic       string
 	contentType string
@@ -25,46 +13,6 @@ type rpcMessage struct {
 	codec       codec.Codec
 }
 
-func (r *rpcRequest) ContentType() string {
-	return r.contentType
-}
-
-func (r *rpcRequest) Service() string {
-	return r.service
-}
-
-func (r *rpcRequest) Method() string {
-	return r.method
-}
-
-func (r *rpcRequest) Endpoint() string {
-	return r.method
-}
-
-func (r *rpcRequest) Codec() codec.Reader {
-	return r.codec
-}
-
-func (r *rpcRequest) Header() map[string]string {
-	return r.header
-}
-
-func (r *rpcRequest) Read() ([]byte, error) {
-	f := &raw.Frame{}
-	if err := r.codec.ReadBody(f); err != nil {
-		return nil, err
-	}
-	return f.Data, nil
-}
-
-func (r *rpcRequest) Stream() bool {
-	return r.stream
-}
-
-func (r *rpcRequest) Body() interface{} {
-	return r.payload
-}
-
 func (r *rpcMessage) ContentType() string {
 	return r.contentType
 }