chore(news): 取消过期新闻的置顶属性

Author: MingcongBai

content/zh-cn/news/2025-08-17-coffee-break.md

@@ -4,7 +4,7 @@ categories:
 title: "安记冰室・八月号暨 AOSCC 2025 特刊"
 date: 2025-08-17T22:00:00+08:00
 important: false
-home: true
+home: false
 ---
 
 本期编者：ZeroAurora Camber  

content/zh-cn/news/2025-09-03-kernel-testing-advisory.md

@@ -4,7 +4,7 @@ categories:
 title: "安同 OS 测试公告：内核更新"
 date: 2025-09-03T15:30:00+08:00
 important: false
-home: true
+home: false
 ---
 
 ![testing-topic-kernel-firmware-20250903](/assets/news/testing-topic-kernel-firmware-20250903.webp)

content/zh-cn/news/2025-09-09-oma-1.21-preview.md

@@ -4,7 +4,7 @@ categories:
 title: "小熊猫包管理 (oma) v1.21 测试公告"
 date: 2025-09-09T00:50:00+08:00
 important: true
-home: true
+home: false
 ---
 
 ![oma-1.21](/assets/news/oma-1.21.webp)