feat(CfP): mobileでもプロポーザルの募集に関する文言を削除

Author: staticWagomU

2025/src/components/Header.astro

@@ -88,11 +88,6 @@ import { Menu, X } from "@lucide/astro";
   >
     <div class="container mx-auto px-4 py-4">
       <nav class="flex flex-col space-y-4">
-        <a
-          href="#cfp"
-          class="py-2 text-sm font-medium transition-colors hover:text-emerald-600"
-          >プロポーザルの募集</a
-        >
         <a
           href="#keynote"
           class="py-2 text-sm font-medium transition-colors hover:text-emerald-600"