How to Hide Mfolio Lite Admin Menus

function plt_hide_mfolio_lite_menus() {
	//Hide "Portfolios".
	remove_menu_page('edit.php?post_type=mfolio_portfolio');
	//Hide "Portfolios → All Portfolios".
	remove_submenu_page('edit.php?post_type=mfolio_portfolio', 'edit.php?post_type=mfolio_portfolio');
	//Hide "Portfolios → Add New".
	remove_submenu_page('edit.php?post_type=mfolio_portfolio', 'post-new.php?post_type=mfolio_portfolio');
	//Hide "Portfolios → Categories".
	remove_submenu_page('edit.php?post_type=mfolio_portfolio', 'edit-tags.php?taxonomy=portfolio_category&post_type=mfolio_portfolio');
	//Hide "Portfolios → Tags".
	remove_submenu_page('edit.php?post_type=mfolio_portfolio', 'edit-tags.php?taxonomy=portfolio_tag&post_type=mfolio_portfolio');
}

add_action('admin_menu', 'plt_hide_mfolio_lite_menus', 15);

Where do I put this code?