How to Hide Caldera Forms Admin Menus

function plt_hide_caldera_forms_menus() {
	//Hide "Caldera Forms".
	remove_menu_page('caldera-forms');
	//Hide "Caldera Forms → Forms".
	remove_submenu_page('caldera-forms', 'caldera-forms');
	//Hide "Caldera Forms → Add-ons".
	remove_submenu_page('caldera-forms', 'caldera-forms-extend');
	//Hide "Caldera Forms → Caldera Forms Pro".
	remove_submenu_page('caldera-forms', 'cf-pro');
	//Hide "Caldera Forms → Privacy Settings".
	remove_submenu_page('caldera-forms', 'caldera-forms-privacy');
	//Hide "Caldera Forms → Support".
	remove_submenu_page('caldera-forms', 'caldera-form-support');
}

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

Where do I put this code?