清理无用依赖

src/main/java/cn/lihongjie/coal/ip/IpQueryService.java

@@ -1,6 +1,5 @@
 package cn.lihongjie.coal.ip;
 
-import com.maxmind.geoip2.DatabaseReader;
 
 import jakarta.annotation.PostConstruct;
 
@@ -29,7 +28,6 @@ class IpQueryService {
     @Value("${geolite2.url}")
     private String geolite2DownloadUrl;
 
-    private DatabaseReader reader;
     @Value("classpath:ip/ip2region.xdb")
     Resource dbFile;
     private Searcher searcher;
@@ -67,7 +65,7 @@ class IpQueryService {
     @SneakyThrows
     public String query(String ipaddr) {
 
-        if (reader != null) {
+        if (searcher != null) {
             InetAddress ipAddress = InetAddress.getByName(ipaddr);
             if (ipAddress.isAnyLocalAddress()) {
                 return "服务器本机地址";