chore: higher resolution voucher thumbnails, drop source pdfs

templates/voucher/index.html.twig

@@ -1,12 +0,0 @@
-{% extends 'layout_booking.html.twig' %}
-
-{% block title %}Gutschein kaufen{% endblock %}
-
-{% block content %}
-    <div class="flex-1 flex items-center justify-center"
-         hx-post="{{ path('app_voucher_init', { r: returnUrl }) }}"
-         hx-trigger="load"
-         hx-swap="none">
-        {% include '_partials/_spinner.html.twig' %}
-    </div>
-{% endblock %}

webpack.config.js

@@ -25,7 +25,7 @@ Encore
     .copyFiles([
         {from: './assets/images', to: 'images/[path][name].[hash:8].[ext]'},
         {from: './assets/favicon', to: 'favicon/[path][name].[hash:8].[ext]'},
-        // voucher thumbnails only; the PDFs beside them are source material and not shipped
+        // voucher thumbnails
         {from: './assets/vouchers', to: 'images/vouchers/[path][name].[hash:8].[ext]', pattern: /\.jpg$/},
     ])
 ;