How to Hide Augmented Reality and 3D Model Viewer for WordPress and WooCommerce – AR VR Try-On Admin Menus

function plt_hide_ar_vr_3d_model_try_on_menus() {
	//Hide the "AR Try-On" menu.
	remove_menu_page('ar-vr-3d-model-try-on');
	//Hide the "AR Try-On → AR Try-On" menu.
	remove_submenu_page('ar-vr-3d-model-try-on', 'ar-vr-3d-model-try-on');
	//Hide the "AR Try-On → Contact Us" menu.
	remove_submenu_page('ar-vr-3d-model-try-on', 'ar-vr-3d-model-try-on-contact');
}

add_action('admin_menu', 'plt_hide_ar_vr_3d_model_try_on_menus', 1000000000);

Where do I put this code?