fix: 移除无 log4j 依赖的无效 @Log4j 注解，恢复编译

cfc-backend/src/main/java/com/etotem/cfc/controller/recommendation/RecommendationRuleAdminController.java

@@ -5,7 +5,6 @@ import com.etotem.cfc.entity.RecommendationRule;
 import com.etotem.cfc.service.RecommendationRuleService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
-import lombok.extern.log4j.Log4j;
 import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
@@ -13,7 +12,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 
-@Log4j
 @Tag(name = "商品推荐规则管理", description = "商品推荐规则配置管理接口")
 @RestController
 @RequestMapping("/api/admin/recommendation-rules")