remove unused rank strategy

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/rank/RankRouter.java

@@ -9,8 +9,6 @@ import org.springframework.stereotype.Service;
 @Service
 @Slf4j
 public class RankRouter {
-    @Autowired
-    private RankService rankService;
     @Autowired
     private RankStrategy4RegionMergeModelV536 rankStrategy4RegionMergeModelV536;
     @Autowired
@@ -27,7 +25,7 @@ public class RankRouter {
     public RankResult rank(RankParam param) {
         String abCode = param.getAbCode();
         if (StringUtils.isBlank(abCode)) {
-            return rankService.rank(param);
+            return rankStrategy4RegionMergeModelV536.rank(param);
         }
         // 536 562 563 564 567 569
         switch (abCode) {