docs(slides): remove ion-slides component (#2518)

Author: averyjohnston

docs/angular/slides.md

@@ -10,9 +10,13 @@ title: Slides
   />
 </head>
 
-We recommend <a href="http://swiperjs.com/" target="_blank" rel="noopener noreferrer">Swiper.js</a> if you need a modern touch slider component. It powers our `ion-slides` component, but we now recommend that developers use Swiper for Angular directly.
+:::caution Looking for `ion-slides`?
 
-This guide will go over how to get Swiper for Angular set up in your Ionic Framework application. It will also go over any migration information you may need to move from `ion-slides` to the official Swiper Angular integration.
+`ion-slides` was deprecated in v6.0.0 and removed in v7.0.0. We recommend using the Swiper.js library directly. The migration process is detailed below.
+
+:::
+
+We recommend <a href="http://swiperjs.com/" target="_blank" rel="noopener noreferrer">Swiper.js</a> if you need a modern touch slider component. This guide will go over how to get Swiper for Angular set up in your Ionic Framework application. It will also go over any migration information you may need to move from `ion-slides` to the official Swiper Angular integration.
 
 ## Getting Started