Refactor: Optimize message retrieval query

Signed-off-by: kunsanglee <gosmdochee@gmail.com>

Author: kunsanglee

src/main/kotlin/com/example/kotlin/chat/repository/MessageRepository.kt

@@ -22,8 +22,7 @@ interface MessageRepository : CoroutineCrudRepository<Message, String> {
         SELECT * FROM (
             SELECT * FROM MESSAGES
             WHERE SENT > (SELECT SENT FROM MESSAGES WHERE ID = :id)
-            ORDER BY "SENT" DESC 
         ) ORDER BY "SENT"
     """)
     fun findLatest(@Param("id") id: String): Flow<Message>
-}
+}