Remove repeated demo notes from product screens (#28)

frontend/app/lib/kyc/limits.dart

@@ -47,8 +47,6 @@ class LimitsPanel extends StatelessWidget {
                 data.tier == AccountTier.basic ? l.kycBasic : l.kycVerifiedTier,
                 style: t.textTheme.titleLarge,
               ),
-              if (data.simulated)
-                Text(l.kycLimitsDemo, style: t.textTheme.bodySmall),
               const SizedBox(height: 12),
               if (data.rows.isEmpty) Text(l.kycLimitsEmpty),
               for (final row in data.rows) ...[