How to Hide the "MapSVG" Admin Menu

function plt_hide_mapsvg_lite_interactive_vector_maps_menus() {
	//Hide the "MapSVG" menu.
	remove_menu_page('mapsvg-config');
}

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

Where do I put this code?