docs: remove mention of pwa module (#562)

Author: DepkaCZ

docs/content/0.index.md

@@ -28,7 +28,6 @@ Batteries-included [Ionic](https://ionicframework.com/) integration for Nuxt.
 - Ionic Router integration
 - Pre-render routes
 - Mobile meta tags
-- PWA support with [`nuxt-pwa-module`](https://github.com/kevinmarrec/nuxt-pwa-module)
 - Works out of the box with [Capacitor](https://capacitorjs.com/) to build mobile apps
 ::
 

docs/content/1.get-started/3.configuration.md

@@ -38,11 +38,6 @@ Integrations control which other modules this module should enable and setup fro
   Default: `true`  
   Disable to take full control of meta tags.
 
-- **pwa**
-
-  Default: `true`  
-  Disable to take full control of icon generation, manifest and service worker installation.
-
 - **router**
 
   Default: `true`