Revert "Add missing admin action files and navigation links"

This reverts commit 41be6835bf.

src/lib/auth/laravel-encrypter.test.ts

@@ -1,6 +1,10 @@
 import { randomBytes } from "node:crypto";
 import { describe, expect, it } from "vitest";
-import { LaravelEncrypter, phpSerializeString, phpUnserializeString } from "./laravel-encrypter";
+import {
+  LaravelEncrypter,
+  phpSerializeString,
+  phpUnserializeString,
+} from "./laravel-encrypter";
 
 // Dynamically generated 32-byte key so no secret is hardcoded in source.
 const APP_KEY = `base64:${randomBytes(32).toString("base64")}`;