How to Hide Web Plura Cloud - Account, Subscription & Shared Site Connection Manager Admin Menus

function plt_hide_web_plura_cloud_menus() {
	//Hide "Web Plura".
	remove_menu_page('wplura');
	//Hide "Web Plura → Dashboard".
	remove_submenu_page('wplura', 'wplura');
	//Hide "Web Plura → Cloud Connection".
	remove_submenu_page('wplura', 'wplura-cloud-connection');
	//Hide "Web Plura → Products & Subscriptions".
	remove_submenu_page('wplura', 'wplura-products-subscriptions');
	//Hide "Web Plura → Activity Logs".
	remove_submenu_page('wplura', 'wplura-activity-logs');
	//Hide "Web Plura → Settings".
	remove_submenu_page('wplura', 'wplura-settings');
}

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

Where do I put this code?