Remove duplicate close button from domain purchase modal.

Rely on the shared modal component's close control instead of rendering a second one in the embed header.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/components/domain-purchase-modal.blade.php

@@ -2,15 +2,11 @@
 
 <x-modal name="domain-purchase" maxWidth="2xl">
     <div class="flex flex-col" style="height: min(80vh, 720px);">
-        <div class="flex shrink-0 items-center justify-between border-b border-slate-100 px-5 py-4">
+        <div class="flex shrink-0 items-center justify-between border-b border-slate-100 px-5 py-4 pr-14">
             <div>
                 <h2 class="text-base font-semibold text-slate-900">Register a domain</h2>
                 <p class="mt-0.5 text-xs text-slate-500">Search and buy without leaving {{ $appLabel }}.</p>
             </div>
-            <button type="button" data-close-modal="domain-purchase"
-                    class="rounded-lg p-1.5 text-slate-400 transition hover:bg-slate-100 hover:text-slate-600">
-                <svg class="h-5 w-5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M6 18 18 6M6 6l12 12"/></svg>
-            </button>
         </div>
         <iframe id="ladill-domain-purchase-frame" title="Ladill Domains"
                 src="about:blank"