Remove unused movie sorting functionality

The movie sorting dropdown and its associated logic were removed as they are no longer needed.

Co-authored-by: mathieumoran1 <[email protected]>

public/user-stat.html

@@ -173,14 +173,6 @@
       </div>
       <div class="modal-body">
         <div class="d-flex flex-column gap-3">
-          <div class="d-flex flex-wrap gap-2 align-items-center justify-content-end">
-            <select id="movie-sort" class="form-select form-select-sm" style="max-width: 240px;">
-              <option value="recent">Plus récents</option>
-              <option value="title">Titre (A → Z)</option>
-              <option value="category">Catégorie</option>
-            </select>
-          </div>
-
           <div id="movies-summary" class="text-muted small"></div>
 
           <div id="movies-empty" class="text-muted d-none">Aucun film à afficher.</div>