fix(config): 修复DatabaseInitializer编译错误

- 移除runMigrations()方法中多余的}，恢复迁移81-85执行能力

cfc-backend/src/main/java/com/etotem/cfc/config/DatabaseInitializer.java

@@ -5302,7 +5302,6 @@ try {
         } catch (Exception e) {
             log.warn("创建ai_user_facts表失败: {}", e.getMessage());
         }
-        }
 
         // 迁移 81: products 表添加 recommendation_tags 字段
         ensureColumn("products", "recommendation_tags", "VARCHAR(500) COMMENT '推荐标签 JSON' AFTER domain");