refactor(marketing): 移除 PromotionController 中未使用的 RedisService- 删除了 PromotionController 类中未使用的 RedisService 字段

-保留了 page 方法的实现，移除了多余的空行

src/main/java/com/xynet/marketing/controller/merc/PromotionController.java

@@ -6,7 +6,6 @@ import com.xynet.marketing.utils.MercAuthUtils;
 import com.xynet.marketing.utils.R;
 import com.xynet.marketing.utils.collections.map.JHashMap;
 import com.xynet.marketing.utils.collections.map.JMap;
-import com.xynet.marketing.utils.redis.utils.RedisService;
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.annotation.*;
@@ -24,8 +23,14 @@ import java.util.Map;
 public class PromotionController {
 
     private PromotionService promotionService;
-    private RedisService redisService;
 
+    /**
+     * 分页查询
+     *
+     * @param param
+     * @param headers
+     * @return
+     */
     @PostMapping("page")
     private R page(@RequestBody Map<String, Object> param, @RequestHeader Map<String, String> headers) {
         //获取token
@@ -37,5 +42,4 @@ public class PromotionController {
         Page<Map<String, Object>> data = promotionService.page(jParam);
         return R.ok(data);
     }
-
 }