feat: add langfuse

Author: zihenzzz

data-agent-management/src/main/java/com/alibaba/cloud/ai/dataagent/config/OpenTelemetryConfig.java

@@ -28,7 +28,6 @@
 import jakarta.annotation.PreDestroy;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;