refactor(crm): 优化 UserLiveTreeApi 接口

- 添加了 javax.annotation.Resource 导包，用于资源注入
- 删除了多余的空行，优化代码格式

yudao-module-crm/yudao-module-crm-api/src/main/java/cn/iocoder/yudao/module/hrm/api/userlivetree/UserLiveTreeApi.java

@@ -9,6 +9,7 @@ import org.springframework.cloud.openfeign.FeignClient;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
+import javax.annotation.Resource;
 import java.util.List;
 
 @FeignClient(name = ApiConstants.NAME) // TODO 芋艿：fallbackFactory =