删除没用的 jsonUtils

yudao-module-ai/yudao-spring-boot-starter-ai/src/main/java/cn/iocoder/yudao/framework/ai/imageopenai/OpenAiImageApi.java

@@ -3,7 +3,6 @@ package cn.iocoder.yudao.framework.ai.imageopenai;
 import cn.hutool.json.JSONUtil;
 import cn.iocoder.yudao.framework.ai.imageopenai.api.OpenAiImageRequest;
 import cn.iocoder.yudao.framework.ai.imageopenai.api.OpenAiImageResponse;
-import cn.iocoder.yudao.framework.ai.util.JacksonUtil;
 import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
 import io.netty.channel.ChannelOption;
 import lombok.extern.slf4j.Slf4j;
@@ -15,7 +14,6 @@ import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
 import org.apache.http.util.EntityUtils;
 import org.springframework.http.client.reactive.ReactorClientHttpConnector;
-import org.springframework.web.reactive.function.BodyInserters;
 import org.springframework.web.reactive.function.client.WebClient;
 import reactor.netty.http.client.HttpClient;