function plt_hide_platformly_menus() {
//Hide "Platform.ly".
remove_menu_page('ply');
//Hide "Platform.ly → Settings".
remove_submenu_page('ply', 'ply');
//Hide "Platform.ly → Events".
remove_submenu_page('ply', 'ply_events');
//Hide "Platform.ly → Pages".
remove_submenu_page('ply', 'ply_pages');
//Hide "Platform.ly → Optin Forms".
remove_submenu_page('ply', 'ply_optins');
}
add_action('admin_menu', 'plt_hide_platformly_menus', 11);