[refator] rm useless log

funasr/runtime/grpc/paraformer-server.cc

@@ -100,7 +100,6 @@ void GrpcEngine::OnSpeechStart() {
   LOG(INFO) << "encoding is " << encoding_;
 
   std::string mode_str;
-  LOG(INFO) << request_->mode() << DecodeMode::offline << DecodeMode::online << DecodeMode::two_pass;
   switch(request_->mode()) {
     case DecodeMode::offline:
       mode_ = ASR_OFFLINE;