How to Hide the "Advanced Category and Custom Taxonomy Image" Admin Menu

function plt_hide_advanced_category_and_custom_taxonomy_image_menus() {
	//Hide the "Advanced Category and Custom Taxonomy Image" menu.
	remove_menu_page('advanced-category-and-custom-taxonomy-image');
}

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

Where do I put this code?