refactor(national-motion-system):优化课程查询 SQL 语句- 移除了冗余的 status 条件判断

-调整了 del_flag 的位置，使其更符合逻辑顺序

national-motion-module-system/national-motion-system-biz/src/main/java/org/jeecg/modules/system/app/mapper/xml/AppCoursesMapper.xml

@@ -67,9 +67,7 @@
                 LEFT JOIN nm_site b ON a.site_id = b.id
                 LEFT JOIN nm_courses_price_rules c ON a.id = c.courses_id
                 LEFT JOIN sys_user d ON d.id = a.user_id
-        WHERE
-            a.STATUS = 0
-          AND a.del_flag = 0
+        WHERE a.del_flag = 0
           AND a.id = #{id}
         GROUP BY
             a.id,