How to Hide PeepSo Admin Menus

function plt_hide_peepso_core_menus() {
	//Hide "PeepSo  NEW!".
	remove_menu_page('peepso');
	//Hide "PeepSo  NEW! → Dashboard".
	remove_submenu_page('peepso', 'peepso');
	//Hide "PeepSo  NEW! → Configuration".
	remove_submenu_page('peepso', 'peepso_config');
	//Hide "PeepSo  NEW! → Manage".
	remove_submenu_page('peepso', 'peepso-manage');
	//Hide "PeepSo  NEW! → Queues".
	remove_submenu_page('peepso', 'peepso-queue');
	//Hide "PeepSo  NEW! → Installer  NEW!".
	remove_submenu_page('peepso', 'peepso-installer');
	//Hide "PeepSo  NEW! → 📱 Get The App!".
	remove_submenu_page('peepso', 'https://PeepSo.com/app');
	//Hide "PeepSo  NEW! → Upgrade Now!".
	remove_submenu_page('peepso', 'https://peepso.com/Pricing/ref/429');
}

add_action('admin_menu', 'plt_hide_peepso_core_menus', 11);

Where do I put this code?