调整语音转文字关键字摘取逻辑

amos-boot-module/amos-boot-module-biz/amos-boot-module-jcs-biz/src/main/java/com/yeejoin/amos/boot/module/jcs/biz/audioToText/RealTimeSpeechTranscriberListener.java

@@ -142,7 +142,6 @@ public class RealTimeSpeechTranscriberListener extends SpeechTranscriberListener
     @Async
     public void sendRecord(AudioRecord audioRecord) {
         try {
-            ObjectMapper objectMapper = new ObjectMapper();
             byte[] bytes = objectMapper.writeValueAsString(audioRecord).getBytes();
             emqKeeper.getMqttClient().publish(AudioTopic.RECORD.getName() + "/" + myNumber, bytes, 2, false);
         } catch (Exception e) {