refactor(service): 移除未使用的LLMAiTtsService依赖

- 从FlowActionExecutorService中移除llmAiTtsService字段
- 减少不必要的服务依赖注入
- 优化代码结构和内存使用

cmvr-iot-test/src/main/java/com/cmvr/test/service/FlowActionExecutorService.java

@@ -30,7 +30,6 @@ public class FlowActionExecutorService {
     private final EdgeMicrophoneService edgeMicrophoneService;
     private final EdgeSpeakerService edgeSpeakerService;
     private final EdgeHlcService edgeHlcService;
-    private final LLMAiTtsService llmAiTtsService;
     private final LLMAiAgentPlatformService llmAiAgentPlatformService;
     private final EdgeAgvService edgeAgvService;