How to Hide CryptoPay Lite Admin Menus

function plt_hide_cryptopay_wc_lite_menus() {
	//Hide "CryptoPay Lite".
	remove_menu_page('cryptopay_lite_home');
	//Hide "CryptoPay Lite → Buy premium".
	remove_submenu_page('cryptopay_lite_home', 'cryptopay_lite_home');
	//Hide "CryptoPay Lite → Integrations".
	remove_submenu_page('cryptopay_lite_home', 'cryptopay_lite_integrations');
	//Hide "CryptoPay Lite → Pending reminders".
	remove_submenu_page('cryptopay_lite_home', 'cryptopay_lite_pending_reminders');
	//Hide "CryptoPay Lite → FeedbackNEW".
	remove_submenu_page('cryptopay_lite_home', 'cryptopay_lite_feedback');
	//Hide "CryptoPay Lite → Settings".
	remove_submenu_page('cryptopay_lite_home', 'cryptopay_lite_settings');
}

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

Where do I put this code?