How to Hide WP Content Copy Protection & No Right Click Admin Menus

function plt_hide_wp_content_copy_protector_menus() {
	//Hide the "Copy Protection" menu.
	remove_menu_page('wccpoptionspro');
	//Hide the "Copy Protection → Settings" menu.
	remove_submenu_page('wccpoptionspro', 'wccpoptionspro');
	//Hide the "Copy Protection → More Plugins" menu.
	remove_submenu_page('wccpoptionspro', 'http://127.0.0.1/wp-admin/plugin-install.php?s=wp-buy&tab=search&type=author');
}

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

Where do I put this code?