update: remove outdated course from get started - android

Author: sarahhaggarty

docs/topics/getting-started.md

@@ -116,9 +116,7 @@ If you've encountered any difficulties or problems, report an issue to our [issu
 
 <tab id="android" title="Android">
 
-* If you want to start using Kotlin for Android development, read [Google's recommendation for getting started with Kotlin on Android](https://developer.android.com/kotlin/get-started).
-
-* If you're new to Android and want to learn to create applications with Kotlin, check out [this Udacity course](https://www.udacity.com/course/developing-android-apps-with-kotlin--ud9012).
+To start using Kotlin for Android development, read [Google's recommendation for getting started with Kotlin on Android](https://developer.android.com/kotlin/get-started).
 
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