Fix: generic review step text (was FCC/USAC specific)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

site/src/components/intake/steps/ReviewStep.astro

@@ -9,8 +9,7 @@ const meta = SERVICE_META[service_slug];
 <div class="pw-step" data-slug={service_slug}>
   <h2>Review</h2>
   <p class="pw-help">
-    Review what we'll send to the FCC/USAC on your behalf. Click Finish
-    to run validation + continue to payment.
+    Review your order details. Click Finish to continue.
   </p>
 
   <div class="pw-summary" id="pw-review-pane">