Revert "Add missing admin action files and navigation links"

This reverts commit 41be6835bf.

src/actions/multi-account-detect.ts

@@ -1,41 +0,0 @@
-"use server";
-
-import { requireStaff } from "@/lib/admin/guard";
-import { prisma } from "@/lib/prisma";
-
-export interface MultiAccountCluster {
-  key: string;
-  label: string;
-  accountCount: number;
-  accounts: Array<{ id: number; username: string; rank: number; online: string }>;
-}
-
-export async function detectMultiAccounts({ minAccounts, limit }: { minAccounts: number; limit: number }) {
-  await requireStaff();
-  const clusters: MultiAccountCluster[] = [];
-
-  const ipGroups = await prisma.user.groupBy({
-    by: ["ipCurrent"],
-    where: { ipCurrent: { not: "" } },
-    _count: { id: true },
-    having: { id: { _count: { gte: minAccounts } } },
-    orderBy: { _count: { id: "desc" } },
-    take: limit,
-  });
-
-  for (const group of ipGroups) {
-    const users = await prisma.user.findMany({
-      where: { ipCurrent: group.ipCurrent },
-      select: { id: true, username: true, rank: true, online: true },
-      orderBy: { id: "asc" },
-    });
-    clusters.push({
-      key: group.ipCurrent,
-      label: `IP: ${group.ipCurrent}`,
-      accountCount: group._count.id,
-      accounts: users.map((u) => ({ id: u.id, username: u.username, rank: u.rank, online: u.online })),
-    });
-  }
-
-  return { ok: true as const, data: { clusters } };
-}