fix(settings): failed build due it dormant import

frontend/src/routes/admin/settings.tsx

@@ -1,8 +1,6 @@
 import { useMutation, useSuspenseQuery } from "@tanstack/react-query";
 import { createFileRoute, redirect } from "@tanstack/react-router";
 import { createColumnHelper } from "@tanstack/react-table";
-import axios from "axios";
-
 import { Suspense, useMemo } from "react";
 import { toast } from "sonner";