function plt_hide_hostinger_menus() {
//Hide "Tools → Scheduled Actions".
remove_submenu_page('tools.php', 'action-scheduler');
//Hide "Hostinger".
remove_menu_page('hostinger');
//Hide "Hostinger → Hostinger".
remove_submenu_page('hostinger', 'hostinger');
//Hide "Hostinger → Tools".
remove_submenu_page('hostinger', 'hostinger-tools');
}
add_action('admin_menu', 'plt_hide_hostinger_menus', 11);