Disable delete content notification in Yoast SEO on child sites.
Snippet Type
Execute on Child Sites
Snippet
add_filter('Yoast\WP\SEO\enable_notification_post_trash', '__return_false' );
add_filter('Yoast\WP\SEO\enable_notification_post_slug_change', '__return_false' );
add_filter('Yoast\WP\SEO\enable_notification_term_delete', '__return_false' );
add_filter('Yoast\WP\SEO\enable_notification_term_slug_change', '__return_false' );