How to Hide Password Policy Manager Admin Menus

function plt_hide_password_policy_manager_menus() {
	//Hide "Password Policy Manager".
	remove_menu_page('moppm');
	//Hide "Password Policy Manager → Password Policy Manager".
	remove_submenu_page('moppm', 'moppm');
	//Hide "Password Policy Manager → Addons".
	remove_submenu_page('moppm', 'moppm_addons');
	//Hide "Password Policy Manager → Reports".
	remove_submenu_page('moppm', 'moppm_reports');
	//Hide "Password Policy Manager → Upgrade".
	remove_submenu_page('moppm', 'moppm_upgrade');
	//Hide "Password Policy Manager → Account".
	remove_submenu_page('moppm', 'moppm_account');
	//Hide "Password Policy Manager → Integrations".
	remove_submenu_page('moppm', 'moppm_registration_form');
	//Hide "Password Policy Manager → Other Products".
	remove_submenu_page('moppm', 'moppm_advertise');
}

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

Where do I put this code?