How to Hide WP Booking Admin Menus

function plt_hide_wp_easy_booking_menus() {
	//Hide "Booking".
	remove_menu_page('edit.php?post_type=booking_address');
	//Hide "Booking → All Booking".
	remove_submenu_page('edit.php?post_type=booking_address', 'edit.php?post_type=booking_address');
	//Hide "Booking → Add New Booking".
	remove_submenu_page('edit.php?post_type=booking_address', 'post-new.php?post_type=booking_address');
	//Hide "Booking → Category".
	remove_submenu_page('edit.php?post_type=booking_address', 'edit-tags.php?taxonomy=booking_category&post_type=booking_address');

	//Hide "WP Booking".
	remove_menu_page('wp_booking_afo');
	//Hide "WP Booking → WP Booking".
	remove_submenu_page('wp_booking_afo', 'wp_booking_afo');
	//Hide "WP Booking → WP Booking Log".
	remove_submenu_page('wp_booking_afo', 'wp_booking_log_afo');
}

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

Where do I put this code?