Revert "Add missing admin action files and navigation links"

This reverts commit 41be6835bf.

src/actions/admin-alerts.ts

@@ -13,9 +13,7 @@ import { rcon } from "@/lib/services/rcon";
 export async function sendHotelAlert(formData: FormData): Promise<void> {
   await requireStaff();
 
-  const message = String(formData.get("message") ?? "")
-    .trim()
-    .slice(0, 1000);
+  const message = String(formData.get("message") ?? "").trim().slice(0, 1000);
   if (!message) return;
 
   try {