ISTWCMS-6944: fix that uuid gets set properly on service search block

src/Form/ServiceSearchForm.php

@@ -61,11 +61,6 @@ class ServiceSearchForm extends FormBase {
       $placeholder = 'Search within all services';
     }
 
-    // If there is no uuid, generate it.
-    if (!$uuid) {
-      $uuid = uniqid();
-    }
-
     // Add the unique id.
     $form['#attributes']['id'] = 'service-search-form-' . $uuid;
 
@@ -87,12 +82,6 @@ class ServiceSearchForm extends FormBase {
       '#attributes' => ['aria-label' => 'search'],
     ];
 
-    // The uuid hidden element.
-    $form['uuid'] = [
-      '#type' => 'hidden',
-      '#value' => $uuid,
-    ];
-
     return $form;
   }