How to Hide TeknoTok AI Translator Admin Menus

function plt_hide_teknotok_ai_translator_menus() {
	//Hide "AI Translator".
	remove_menu_page('teknotok-ait');
	//Hide "AI Translator → Settings".
	remove_submenu_page('teknotok-ait', 'teknotok-ait');
	//Hide "AI Translator → License Settings".
	remove_submenu_page('teknotok-ait', 'teknotok-ait-license');
	//Hide "AI Translator → Translations Editor".
	remove_submenu_page('teknotok-ait', 'teknotok-ait-editor');
	//Hide "AI Translator → Translation Status".
	remove_submenu_page('teknotok-ait', 'teknotok-ait-diagnostics');
}

add_action('admin_menu', 'plt_hide_teknotok_ai_translator_menus', 31);

Where do I put this code?