chore: tailwind class cleanup

src/components/tracks/TracksOverview.svelte

@@ -259,7 +259,7 @@
   {:catch error}
     <div class="text-white px-6 py-4 border-0 rounded relative mb-4 bg-red-500">
       <span class="inline-block align-middle mr-8">
-        <b class="capitalize">{$_("general_promise_error")}</b>
+        <b>{$_("general_promise_error")}</b>
         {error}
       </span>
     </div>