docs: remove another reference (#563)

Author: DepkaCZ

docs/content/1.get-started/1.introduction.md

@@ -36,7 +36,6 @@ This module attempts to get you going with Nuxt + Ionic quickly, providing sane
 - **Ionic router integration:** continue defining routes based on the structure of your `~/pages` directory and using page-level utilities such as `definePageMeta()`.
 - **Auto-imports**: Ionic components, composables and icons are all [auto-imported](https://nuxt.com/docs/guide/concepts/auto-imports) for ease of use.
 - **Helpful components and utilities**: This module provides components and utilities to accomplish common tasks more easily.
-- **PWA support**: out-of-the-box support for progressive web apps, using `nuxt-pwa-module`.
 - **Pre-render routes**
 - **Mobile meta tags**
 - **Capacitor integration**: works out-of-the-box with [Capacitor](https://capacitorjs.com/) for shipping to native platforms like iOS and Android.