hotfix: vol5 old passages remove

Author: Charliechen114514

documents/en/vol5-concurrency/01-atomic.md

@@ -30,17 +30,4 @@ From thread primitives to asynchronous coroutines, from locks to lock-free, from
   <ChapterLink href="ch07-actor-channel">ch07 · Actors and Channels</ChapterLink>
   <ChapterLink href="ch08-debug-testing-perf">ch08 · Debugging, Testing, and Performance</ChapterLink>
   <ChapterLink href="ch09-distributed-bridge">ch09 · Distributed Bridging Appendix</ChapterLink>
-</ChapterNav>
-
-## Legacy Articles (Being Gradually Rewritten)
-
-The following articles belong to the legacy structure and will be archived and replaced as the new chapters are completed.
-
-<ChapterNav variant="sub">
-  <ChapterLink href="01-atomic">Atomic Operations</ChapterLink>
-  <ChapterLink href="02-memory-order">Memory Order</ChapterLink>
-  <ChapterLink href="03-lock-free-data-structures">Lock-Free Data Structures</ChapterLink>
-  <ChapterLink href="04-mutex-and-raii-guards">Mutexes and RAII Guards</ChapterLink>
-  <ChapterLink href="06-critical-section-protection">Critical Section Protection</ChapterLink>
-  <ChapterLink href="03-coroutine-echo-server">Coroutine Echo Server</ChapterLink>
-</ChapterNav>
+</ChapterNav>

documents/en/vol5-concurrency/02-memory-order.md

@@ -25,17 +25,4 @@ tags:
   <ChapterLink href="ch07-actor-channel">ch07 · Actor 与 Channel</ChapterLink>
   <ChapterLink href="ch08-debug-testing-perf">ch08 · 调试、测试与性能</ChapterLink>
   <ChapterLink href="ch09-distributed-bridge">ch09 · 分布式桥接附录</ChapterLink>
-</ChapterNav>
-
-## 旧版文章（逐步重写中）
-
-以下文章属于旧版结构，将在新章节逐步完善后归档替换。
-
-<ChapterNav variant="sub">
-  <ChapterLink href="01-atomic">原子操作</ChapterLink>
-  <ChapterLink href="02-memory-order">内存序</ChapterLink>
-  <ChapterLink href="03-lock-free-data-structures">无锁数据结构</ChapterLink>
-  <ChapterLink href="04-mutex-and-raii-guards">mutex 与 RAII 守卫</ChapterLink>
-  <ChapterLink href="06-critical-section-protection">临界区保护</ChapterLink>
-  <ChapterLink href="03-coroutine-echo-server">协程 Echo Server</ChapterLink>
-</ChapterNav>
+</ChapterNav>