Remove use_transistor feature flag

app/config/sculpin_site.yml

@@ -341,8 +341,6 @@ transistor:
   share:
     url: https://share.transistor.fm/e
 
-use_transistor: false
-
 youtube:
   channel:
     slug: opdavies

app/config/sculpin_site_prod.yml

@@ -6,5 +6,3 @@ features:
   new_css: false
 
 url: https://www.oliverdavies.uk
-
-use_transistor: false

source/_layouts/podcast_episode.html.twig

@@ -17,20 +17,7 @@
 {% endblock %}
 
 {% block content_wrapper %}
-  {% if site.use_transistor %}
-    {% if page.transistor.id %}
-      <div>
-        <iframe
-          width="100%"
-          height="180"
-          frameborder="no"
-          scrolling="no"
-          seamless=""
-          src="{{ site.transistor.share.url }}/{{ page.transistor.id }}">
-        </iframe>
-      </div>
-    {% endif %}
-  {% else %}
+  {% if page.episode_filename %}
     <audio controls>
       <source src="/files/bb/episodes/{{ page.episode_filename }}" type="audio/mp3">
     </audio>