How to Hide TablePress Admin Menus

function plt_hide_tablepress_menus() {
	//Hide "TablePress".
	remove_menu_page('tablepress');
	//Hide "TablePress → All Tables".
	remove_submenu_page('tablepress', 'tablepress');
	//Hide "TablePress → Add New Table".
	remove_submenu_page('tablepress', 'tablepress_add');
	//Hide "TablePress → Import a Table".
	remove_submenu_page('tablepress', 'tablepress_import');
	//Hide "TablePress → Export a Table".
	remove_submenu_page('tablepress', 'tablepress_export');
	//Hide "TablePress → Plugin Options".
	remove_submenu_page('tablepress', 'tablepress_options');
	//Hide "TablePress → About TablePress".
	remove_submenu_page('tablepress', 'tablepress_about');
	//Hide "TablePress → Upgrade".
	remove_submenu_page('tablepress', 'tablepress-pricing');
}

add_action('admin_menu', 'plt_hide_tablepress_menus', 1000000000);
Where do I put this code?