Update Matomo configuration

cern_integration.module

@@ -201,25 +201,8 @@ function cern_integration_form_simplesamlphp_auth_syncing_settings_form_alter(&$
 * @see /admin/config/system/matomo
 */
 function cern_integration_form_matomo_admin_settings_alter(&$form, &$form_state, $form_id){
-    $form['general']['matomo_site_id']['#disabled'] = TRUE;
     $form['general']['matomo_url_http']['#disabled'] = TRUE;
     $form['general']['matomo_url_https']['#disabled'] = TRUE;
-
-    global $base_url;
-    $_finalurl = $base_url;
-    $_searches = array("http://","https://",".web.cern.ch");
-    $_finalurl = str_replace($_searches, "", $_finalurl);
-
-    $form['cern_view_statistics'] = array(
-        '#type' => 'fieldset',
-        '#title' => t('View statistics'),
-        '#weight' => - 30
-    );
-
-    $_markup = \Drupal\Core\Link::fromTextAndUrl('WebServices website', \Drupal\Core\Url::fromUri("https://webservices.web.cern.ch/webservices/Tools/Piwik/?SiteName=$_finalurl"))->toString();
-    $form['cern_view_statistics']['matomo_link'] = array(
-        '#markup' => "Please go to " . $_markup . " to view statistics gathered by Matomo/Piwik for your site."
-    );
 }
 
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