fix: remove leftover import of uninstalled recaptcha SDK to fix build

src/app/api/contact/route.ts

@@ -1,6 +1,5 @@
 import { NextResponse } from 'next/server';
 import { supabase } from '@/lib/supabase';
-import { RecaptchaEnterpriseServiceClient } from '@google-cloud/recaptcha-enterprise';
 
 export async function POST(request: Request) {
   try {