How to Hide wpDataTables - Tables & Table Charts Admin Menus

function plt_hide_wpdatatables_menus() {
	//Hide "wpDataTables".
	remove_menu_page('wpdatatables-dashboard');
	//Hide "wpDataTables → Dashboard".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-dashboard');
	//Hide "wpDataTables → wpDataTables".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-administration');
	//Hide "wpDataTables → Create a Table".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-constructor');
	//Hide "wpDataTables → wpDataCharts".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-charts');
	//Hide "wpDataTables → Create a Chart".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-chart-wizard');
	//Hide "wpDataTables → Settings".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-settings');
	//Hide "wpDataTables → System info".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-system-info');
	//Hide "wpDataTables → Getting Started".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-getting-started');
	//Hide "wpDataTables → Get Help".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-support');
	//Hide "wpDataTables → Lite vs Premium".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-lite-vs-premium');
	//Hide "wpDataTables → Addons".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-add-ons');
	//Hide "wpDataTables → Go Premium".
	remove_submenu_page('wpdatatables-dashboard', 'wpdatatables-lite-vs-premium');
}

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

Where do I put this code?