fix(public): do not expose coupon code after preregistration

Codes are still created and stored for Mailwizz; JSON response omits
coupon_code. Thank-you UI explains email delivery instead of showing code.

Made-with: Cursor

resources/views/components/blocks/form.blade.php

@@ -156,30 +156,9 @@
             </div>
         </div>
         <p class="whitespace-pre-line text-center text-base leading-relaxed text-white/95 sm:text-lg" x-text="thankYouMessage"></p>
-        <template x-if="couponCode">
-            <div class="mt-6 rounded-xl border border-white/20 bg-white/10 p-6 backdrop-blur">
-                <p class="text-center text-sm text-white/70">{{ __('Jouw kortingscode') }}</p>
-                <div class="mt-3 flex flex-wrap items-center justify-center gap-3">
-                    <span
-                        class="font-mono text-2xl font-bold tracking-wider text-festival"
-                        x-text="couponCode"
-                    ></span>
-                    <button
-                        type="button"
-                        class="rounded-lg border border-white/25 p-2 text-white/70 transition hover:border-white/40 hover:text-white"
-                        @click="copyCouponCode()"
-                        aria-label="{{ __('Kortingscode kopiëren') }}"
-                    >
-                        <svg class="h-6 w-6" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true">
-                            <path stroke-linecap="round" stroke-linejoin="round" d="M15.666 3.888A2.25 2.25 0 0013.5 2.25h-3c-1.03 0-1.9.693-2.166 1.638m7.332 0c.055.194.084.4.084.612v0a.75.75 0 01-.75.75H9a.75.75 0 01-.75-.75v0c0-.212.03-.418.084-.612m7.332 0c.646.049 1.288.11 1.927.184 1.1.128 1.907 1.077 1.907 2.185V19.5a2.25 2.25 0 01-2.25 2.25H6.75A2.25 2.25 0 014.5 19.5V6.257c0-1.108.806-2.057 1.907-2.185a48.208 48.208 0 011.927-.184" />
-                        </svg>
-                    </button>
-                </div>
-                <p class="mt-3 text-center text-xs text-white/50">
-                    {{ __('Gebruik deze code bij het afrekenen in de ticketshop.') }}
-                </p>
-            </div>
-        </template>
+        <p class="mt-4 text-center text-sm leading-relaxed text-white/65">
+            {{ __('Je persoonlijke kortingscode wordt niet hier getoond. Je ontvangt die per e-mail wanneer de organisatie de ticketverkoop opent — houd je inbox in de gaten.') }}
+        </p>
         <p
             x-show="redirectSecondsLeft !== null && redirectSecondsLeft > 0"
             x-cloak