Refactor account page to use icon in form title

- Remove redundant page heading from account page
- Add AccountCircle icon to AccountForm title
- Clean up unused account-page translations
- Simplify account page component by moving title to form

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/[locale]/account/page.tsx

@@ -2,17 +2,13 @@ import { FC, Suspense } from 'react';
 import { Main } from '@/app/ui/Main';
 import { AccountForm, AccountFormSkeleton } from '@/app/ui/AccountForm';
 import { getUserProfile } from '@/app/lib/actions/userProfileActions';
-import { useTranslations } from 'next-intl';
-import { getTranslations } from 'next-intl/server';
 
 const AccountPage: FC = async () => {
     const profile = await getUserProfile();
-    const t = await getTranslations('account-page');
 
     return (
         <Main>
             <div className="flex flex-col items-center">
-                <h1 className="text-2xl font-bold mb-4">{t('heading')}</h1>
                 <AccountForm profile={profile} />
             </div>
         </Main>