function plt_hide_webinar_ignition_menus() {
//Hide the "WebinarIgnition" menu.
remove_menu_page('webinarignition-dashboard');
//Hide the "Tools → Scheduled Actions" menu.
remove_submenu_page('tools.php', 'action-scheduler');
}
add_action('admin_menu', 'plt_hide_webinar_ignition_menus', 1000000000);