ISAICP-8468: Switch to php_mail mailer. See FPFISSUPP-25361.

config/sync/mailsystem.settings.yml

@@ -2,7 +2,7 @@ _core:
   default_config_hash: 64LU75RdzlSfkiiUC4Eu9sKHY8bk3Ahqsrlmdz9G4xk
 theme: current
 defaults:
-  sender: symfony_mailer_lite
+  sender: php_mail
   formatter: symfony_mailer_lite
 modules:
   symfony_mailer_lite:

resources/runner/drupal.yml

@@ -278,7 +278,6 @@ drupal:
         $config['system.site']['mail'] = getenv('DRUPAL_SITE_MAIL');
       Mail transport: |
         $config['symfony_mailer_lite.settings']['default_transport'] = 'sendmail';
-        $config['symfony_mailer_lite.symfony_mailer_lite_transport.sendmail']['configuration']['query']['command'] =  getenv('DRUPAL_MAIL_SENDMAIL_PATH') . ' -' . getenv('DRUPAL_MAIL_SENDMAIL_MODE');
       Search API: |
         // Adding a fallback for the scheme in case it is not properly
         // consumed by the production environment.