Testing of this plugin has been temporarily suspended due to an error. It will automatically resume when a new plugin version is released.
function plt_hide_shiftnav_responsive_mobile_menu_menus() {
//Hide the "Appearance → ShiftNav" menu.
remove_submenu_page('themes.php', 'shiftnav-settings');
}
add_action('admin_menu', 'plt_hide_shiftnav_responsive_mobile_menu_menus', 11);