How to Hide Pagezii Blog SEO Plugin Admin Menus

function plt_hide_pagezii_blog_seo_menus() {
	//Hide "Pagezii Blog SEO".
	remove_menu_page('pzsmb-dashboard');
	//Hide "Pagezii Blog SEO → Dashboard".
	remove_submenu_page('pzsmb-dashboard', 'pzsmb-dashboard');
	//Hide "Pagezii Blog SEO → Pulse Reports".
	remove_submenu_page('pzsmb-dashboard', 'pzsmb-reports-pulse');
	//Hide "Pagezii Blog SEO → Author Reports".
	remove_submenu_page('pzsmb-dashboard', 'pzsmb-reports-authors');
	//Hide "Pagezii Blog SEO → Setup".
	remove_submenu_page('pzsmb-dashboard', 'pzsmb-main');
}

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

Where do I put this code?