fix(accueil) corrige la vidéo petites tailles d'écran

- n'utilise que des vidéos en MP4 x264

web/app/themes/haiku-atelier-2024/views/accueil.twig

@@ -3,34 +3,9 @@
 
 {% block contenu %}
   <main id="page-accueil">
-    <video
-      autoplay
-      disablepictureinpicture
-      id="intro-video"
-      preload="auto"
-      loop
-      muted
-      width="1280"
-      height="720"
-    >
-      <source
-        media="(width >= 600px)"
-        src="{{ site.theme.link }}/assets/video/intro-desktop.m4v"
-        type="video/mp4"
-      >
-      <source
-        src="{{ site.theme.link }}/assets/video/intro-phone.m4v"
-        type="video/mp4"
-      >
-      <source
-        media="(width >= 600px)"
-        src="{{ site.theme.link }}/assets/video/intro-desktop.webm"
-        type="video/webm"
-      >
-      <source
-        src="{{ site.theme.link }}/assets/video/intro-phone.webm"
-        type="video/webm"
-      >
+    <video autoplay disablepictureinpicture id="intro-video" loop muted preload="auto">
+      <source media="(width >= 600px)" src="{{ site.theme.link }}/assets/video/intro-desktop.m4v" type="video/mp4">
+      <source src="{{ site.theme.link }}/assets/video/intro-phone.m4v" type="video/mp4">
       <p>Your device does not support videos.</p>
     </video>
   </main>