How to Hide SmartCloud Flow – Block‑based Forms & Workflow Automation Admin Menus

function plt_hide_smartcloud_flow_menus() {
	//Hide "SmartCloud".
	remove_menu_page('hub-for-wpsuiteio');
	//Hide "SmartCloud → Connect your Site".
	remove_submenu_page('hub-for-wpsuiteio', 'hub-for-wpsuiteio');
	//Hide "SmartCloud → Global Settings".
	remove_submenu_page('hub-for-wpsuiteio', 'hub-for-wpsuiteio-settings');
	//Hide "SmartCloud → Flow Settings".
	remove_submenu_page('hub-for-wpsuiteio', 'smartcloud-flow');
	//Hide "SmartCloud → Flow Patterns".
	remove_submenu_page('hub-for-wpsuiteio', 'http://127.0.0.1/wp-admin/edit.php?post_type=wp_block&s=smartcloud-flow');
}

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

Where do I put this code?