How to Hide ARForms Form Builder Admin Menus

function plt_hide_arforms_form_builder_menus() {
	//Hide "ARForms".
	remove_menu_page('ARForms');
	//Hide "ARForms → Manage Forms".
	remove_submenu_page('ARForms', 'ARForms');
	//Hide "ARForms → Add New Form".
	remove_submenu_page('ARForms', 'ARForms&arfaction=new&isp=1');
	//Hide "ARForms → Form Entries".
	remove_submenu_page('ARForms', 'ARForms-entries');
	//Hide "ARForms → General Settings".
	remove_submenu_page('ARForms', 'ARForms-settings');
	//Hide "ARForms → Import / Export".
	remove_submenu_page('ARForms', 'ARForms-import-export');
	//Hide "ARForms → Addons".
	remove_submenu_page('ARForms', 'ARForms-addons');
	//Hide "ARForms → Growth Plugins".
	remove_submenu_page('ARForms', 'ARForms-Growth-Tools');
	//Hide "ARForms → Upgrade To Premium".
	remove_submenu_page('ARForms', 'arflite_upgrade_to_premium');
}

add_action('admin_menu', 'plt_hide_arforms_form_builder_menus', 11);
Where do I put this code?