Remove migrated content (now in separate repository)

public/images/albums/ExternalExample/info.json

@@ -1,24 +0,0 @@
-{
-	"mode": "external",
-	"hidden": true,
-	"title": "外链相册示例",
-	"description": "这是一个使用外链图片的相册示例，所有图片都来自外部链接",
-	"date": "2025-08-28",
-	"location": "网络",
-	"tags": ["外链", "示例", "测试"],
-	"layout": "masonry",
-	"columns": 3,
-	"cover": "https://picsum.photos/800/600?random=1",
-	"photos": [
-		{
-			"id": "external-1",
-			"src": "https://picsum.photos/800/600?random=2",
-			"alt": "随机图片 1",
-			"title": "美丽的风景",
-			"description": "这是一张来自外链的美丽风景图片",
-			"tags": ["风景", "自然"],
-			"width": 800,
-			"height": 600
-		}
-	]
-}