Remove Spotify iframe branch from episode detail pages; v1.1.9

Individual episode pages always use EpisodeAudioPlayer — the Spotify
iframe check is removed since all per-episode embeds use direct audio URLs.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "siteforge",
   "private": true,
-  "version": "1.1.8",
+  "version": "1.1.9",
   "type": "module",
   "scripts": {
     "dev": "vite",

src/App.tsx

@@ -1386,19 +1386,7 @@ function EpisodeDetailPage({ content }: { content: SiteContent }) {
           {(episode.embedUrl || episode.url) && (
             <div className="episode-detail-embed">
               {resolvedEmbedUrl ? (
-                resolvedEmbedUrl.includes('spotify.com') ? (
-                  <iframe
-                    src={resolvedEmbedUrl}
-                    title={episode.title}
-                    width="100%"
-                    height="152"
-                    frameBorder="0"
-                    allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture"
-                    loading="lazy"
-                  />
-                ) : (
                 <EpisodeAudioPlayer src={resolvedEmbedUrl} title={episode.title} size="full" spotifyUrl={episode.url || content.platformSpotifyUrl} />
-                )
               ) : (
                 <div className="episode-embed-skeleton" aria-label="Loading player…" />
               )}