How to Hide JetFormBuilder Admin Menus

function plt_hide_jetformbuilder_menus() {
	//Hide "Tools → Scheduled Actions".
	remove_submenu_page('tools.php', 'action-scheduler');

	//Hide "JetFormBuilder".
	remove_menu_page('edit.php?post_type=jet-form-builder');
	//Hide "JetFormBuilder → Forms".
	remove_submenu_page('edit.php?post_type=jet-form-builder', 'edit.php?post_type=jet-form-builder');
	//Hide "JetFormBuilder → Add New".
	remove_submenu_page('edit.php?post_type=jet-form-builder', 'post-new.php?post_type=jet-form-builder');
	//Hide "JetFormBuilder → Settings".
	remove_submenu_page('edit.php?post_type=jet-form-builder', 'jfb-settings');
	//Hide "JetFormBuilder → Addons".
	remove_submenu_page('edit.php?post_type=jet-form-builder', 'jfb-addons');
	//Hide "JetFormBuilder → Form Records".
	remove_submenu_page('edit.php?post_type=jet-form-builder', 'jfb-records');
	//Hide "JetFormBuilder → Go PRO".
	remove_submenu_page('edit.php?post_type=jet-form-builder', 'https://jetformbuilder.com/pricing/?utm_source=plugin&utm_medium=jfb-menu&utm_campaign=go-pro-button&utm_content=license-not-activated%2Fthewordpressteam');
}

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