function plt_hide_sv100_companion_menus() {
//Hide the "straightvisions" menu.
remove_menu_page('straightvisions');
//Hide the "straightvisions → Info" menu.
remove_submenu_page('straightvisions', 'straightvisions');
//Hide the "straightvisions → SV100 Companion" menu.
remove_submenu_page('straightvisions', 'sv100_companion');
}
add_action('admin_menu', 'plt_hide_sv100_companion_menus', 11);