remove unused admin users and stats API routes

app/api/admin/stats/route.ts

@@ -1,58 +0,0 @@
-import { NextResponse } from 'next/server';
-import { db } from '@/lib/db';
-import { auth } from '@/lib/auth';
-import { getCachedTotalStorage } from '@/lib/admin-stats';
-
-export async function GET() {
-    try {
-        const session = await auth();
-        if (!session?.user?.isAdmin) {
-            return new NextResponse('Unauthorized', { status: 403 });
-        }
-
-        // 1. Database Stats
-        const [
-            totalUsers,
-            totalProjects,
-            totalVideos,
-            totalComments,
-            totalVoiceComments,
-            totalImageComments,
-        ] = await Promise.all([
-            db.user.count(),
-            db.project.count(),
-            db.video.count(),
-            db.comment.count(),
-            db.comment.count({
-                where: {
-                    voiceUrl: {
-                        not: null,
-                    }
-                }
-            }),
-            db.comment.count({
-                where: {
-                    imageUrl: {
-                        not: null,
-                    }
-                }
-            })
-        ]);
-
-        // 2. Storage Stats (Cached)
-        const totalStorageBytes = await getCachedTotalStorage();
-
-        return NextResponse.json({
-            totalUsers,
-            totalProjects,
-            totalVideos,
-            totalComments,
-            totalVoiceComments,
-            totalImageComments,
-            totalStorageBytes,
-        });
-    } catch (error) {
-        console.error('[ADMIN_STATS_GET]', error);
-        return new NextResponse('Internal Error', { status: 500 });
-    }
-}