How to Hide the "Yotako" Admin Menu

function plt_hide_yotako_convert_figma_designs_menus() {
	//Hide the "Yotako" menu.
	remove_menu_page('Yotako-Convert-Figma-Designs');
}

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

Where do I put this code?