Drop the account name from the signed-in checkout button

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/components/ordering/CheckoutSection.tsx

@@ -85,7 +85,7 @@ export const CheckoutSection = ({
           disabled={disabled || submitting}
           onClick={() => submit({ type: 'account' })}
         >
-          {submitting ? 'Placing order…' : `Place order as ${session.user.name}`}
+          {submitting ? 'Placing order…' : 'Place order'}
         </button>
         {error && <p className={styles.error}>{error}</p>}
       </div>