Revert "Add missing admin action files and navigation links"

This reverts commit 41be6835bf.

next.config.ts

@@ -52,11 +52,15 @@ const nextConfig: NextConfig = {
       },
       {
         source: "/assets/(.*)",
-        headers: [{ key: "Cache-Control", value: "public, max-age=31536000, immutable" }],
+        headers: [
+          { key: "Cache-Control", value: "public, max-age=31536000, immutable" },
+        ],
       },
       {
         source: "/images/(.*)",
-        headers: [{ key: "Cache-Control", value: "public, max-age=86400" }],
+        headers: [
+          { key: "Cache-Control", value: "public, max-age=86400" },
+        ],
       },
     ];
   },
@@ -66,4 +70,4 @@ const nextConfig: NextConfig = {
 // src/i18n/request.ts, so URLs and the access-guard middleware stay unchanged.
 const withNextIntl = createNextIntlPlugin("./src/i18n/request.ts");
 
-export default withNextIntl(nextConfig);
+export default withNextIntl(nextConfig);