no picture tag if no file + remove previous seasons

site/templates/program.php

@@ -146,25 +146,7 @@
           <?php endforeach ?>
         </section>
       </div>
-    </template>
-
-    <!-- Saisons précédentes -->
-    <template x-if="tab.includes('Saisons précédentes')">
-      <div class="program-content__events">
-        <section class="collapsable-sections">
-          <?php foreach($previousSeasons as $previousSeason): ?>
-            <?php snippet('collapsable-section', ['title' => $previousSeason->title(), 'padding' => false], slots: true) ?>
-              <?php slot('content') ?>
-              <div class="program-content__events">
-                <?php snippet('events-grid', ['events' => $previousSeason->children(), 'columns' => 3])  ?>
-              </div>
-              <?php endslot() ?>
-            <?php endsnippet() ?>
-          <?php endforeach ?>
-        </section>
-      </div>
-    </template>
-  
+    </template>  
   </div>
 </div>
 <?php snippet('footer') ?>