revert sample

samples/cpp/whisper_speech_recognition/whisper_speech_recognition.cpp

@@ -18,7 +18,7 @@ int main(int argc, char* argv[]) try {
     ov::genai::WhisperGenerationConfig config = pipeline.get_generation_config();
     config.max_new_tokens = 100;  // increase this based on your speech length
     // 'task' and 'language' parameters are supported for multilingual models only
-    // config.language = "<|en|>";  // can switch to <|zh|> for Chinese language
+    config.language = "<|en|>";  // can switch to <|zh|> for Chinese language
     config.task = "transcribe";
     config.return_timestamps = true;