DOCSP-46180: Remove Atlas Device SDK reference (#996)

Author: norareidy

source/kotlin-drivers.txt

@@ -28,7 +28,3 @@ to work with MongoDB in Kotlin:
 
 - Use the `Kotlin Sync Driver <https://www.mongodb.com/docs/languages/kotlin/kotlin-sync-driver/current/>`__ for synchronous Kotlin
   applications.
-
-You can use the `MongoDB Atlas Device Kotlin SDK <https://www.mongodb.com/docs/realm/sdk/kotlin/install/>`__
-in Android or Kotlin Multiplatform (KMP) applications to access Atlas App
-Services and to manage your Realm data.

source/swift.txt

@@ -25,11 +25,6 @@ set up a runnable project with examples from our Usage Guide.
 
    The Swift driver is no longer under active development as of 2022.
 
-.. tip::
-
-   If you are looking for information about using Swift with MongoDB Realm,
-   see the :realm:`MongoDB Realm iOS SDK documentation </sdk/ios/>`.
-
 - `Usage Guide <https://github.com/mongodb/mongo-swift-driver#example-usage>`__
 
 - `API Reference <https://mongodb.github.io/mongo-swift-driver>`__