Revert "feat: add animated announcement for event reminder"

This reverts commit 9d8c07c.

Author: dada878

app/(website)/(pages)/_components/AgendaTable.tsx

@@ -60,15 +60,15 @@ export default function DesktopAgenda() {
         }}
       >
         {/* row1 empty R2 R0 R1 R3 S  */}
-        <div className="sticky top-[120px] z-20 border-b border-b-white border-opacity-30 bg-background py-2 text-center text-[24px] font-bold"></div>
+        <div className="sticky top-[70px] z-20 border-b border-b-white border-opacity-30 bg-background py-2 text-center text-[24px] font-bold"></div>
         {rooms.map((room, index) => (
           <div
             key={index}
             style={{
               gridColumn: room.id + " / " + getNextRoom(room.id),
               gridRow: "start / divider",
             }}
-            className="sticky top-[120px] z-20 border-b border-b-white border-opacity-30 bg-background py-2 text-center text-[24px] font-bold"
+            className="sticky top-[70px] z-20 border-b border-b-white border-opacity-30 bg-background py-2 text-center text-[24px] font-bold"
           >
             {room.id}
           </div>

app/_components/navbar.tsx

@@ -45,39 +45,12 @@ export default function Navbar({
   return (
     <nav className="fixed left-0 right-0 top-0 z-30 flex justify-center">
       <motion.div
-        className="flex w-full flex-col items-center justify-center transition"
+        className="flex w-full items-center justify-center transition"
         style={{
           opacity: allowFadeEffect ? navBackgroundOpacity : 1,
           backgroundColor: allowFadeEffect ? navBackground : "rgba(39, 48, 77)",
         }}
       >
-        <div className="flex w-full items-center justify-center gap-2 bg-background-light p-3 text-center text-foreground brightness-125">
-          <motion.p
-            initial={{
-              opacity: 0.2,
-            }}
-            animate={{
-              opacity: [0.2, 1, 0.2],
-            }}
-            transition={{
-              duration: 1,
-              ease: "easeInOut",
-              repeat: Infinity,
-            }}
-          >
-            <Link href="/mail/SITCON-2025.html" className="link">
-              行前信
-            </Link>
-            已經寄出了，快去找找信箱吧！並下載{" "}
-            <Link
-              href="https://opass.app/open/?event_id=SITCON_2025"
-              className="link"
-            >
-              OPass
-            </Link>{" "}
-            完成票券綁定～
-          </motion.p>
-        </div>
         <div className="w-full max-w-[950px] desktop:max-w-[1230px]">
           <ul className="relative flex w-full items-center justify-between p-4 [@media(max-width:900px)]:justify-center">
             <Link href={logoHref}>