fix(syntax): remove emoji variation selector causing build error

The printer emoji with variation selector (🖨️) was causing a syntax
error. Replaced with base printer emoji (🖨) without variation selector.

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

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

apps/web/src/app/create/abacus/page.tsx

@@ -74,7 +74,7 @@ export default function ThreeDPrintPage() {
   }
 
   return (
-    <PageWithNav navTitle={t('navTitle')} navEmoji="🖨️">
+    <PageWithNav navTitle={t('navTitle')} navEmoji="🖨">
       <div className={css({ minHeight: '100vh', bg: 'gray.50' })}>
         <div
           data-component="3d-print-page"