refactor(panel): remove redundant voxel network topology description subtitle

panel/src/i18n/resources/en-US/dashboard.json

@@ -39,7 +39,6 @@
   "quick_start_step1": "Claiming an unowned server automatically adds your Minecraft UUID to the access whitelist.",
   "quick_start_step2": "When a server sits idle with no players online, the platform automatically sleeps it to conserve resources.",
   "quick_start_step3": "All game traffic is routed through the Velocity gateway — simply connect to your dedicated subdomain.",
-  "voxel_topology_desc": "3D Voxel Network Topology",
   "legend_title": "3D Node Monitor Legend",
   "legend_running": "Running",
   "legend_starting": "Starting",

panel/src/i18n/resources/zh-CN/dashboard.json

@@ -39,7 +39,6 @@
   "quick_start_step1": "认领无主服后，系统会自动将您的 Minecraft UUID 添加至准入白名单。",
   "quick_start_step2": "服务器如果长时间处于无人在线空闲状态，平台会自动执行休眠存档以节约资源。",
   "quick_start_step3": "游戏入口统一由 Velocity 网关承载，只需连接您的专用子域名即可。",
-  "voxel_topology_desc": "三维体素网络拓扑图",
   "legend_title": "3D 节点监控图例",
   "legend_running": "运行中",
   "legend_starting": "启动中",

panel/src/pages/Dashboard.tsx

@@ -423,7 +423,6 @@ function FleetView({
         <Card className="lg:col-span-4 flex flex-col overflow-hidden h-full">
           <CardHeader className="space-y-1 pb-4">
             <CardTitle className="text-base">{t("fleet")}</CardTitle>
-            <p className="text-xs text-muted-foreground">{t("voxel_topology_desc")}</p>
           </CardHeader>
           <CardContent className="flex-1 flex flex-col p-0 justify-between">
             <div className="flex-1 min-h-[220px] w-full bg-gradient-to-b from-transparent to-primary/5 border-b relative">