Media - Fix old players being left around

In addressing sorting, the oldKey was removed but it prevented the
actual player view from being removed. Let the downstream code handle
oldKey -> key migration during resumption scenarios

Fixes: 161031927
Test: atest MediaPlayerDataTest
Change-Id: I937a2732615225235bf1103a2bba0170d3e0b905

packages/SystemUI/src/com/android/systemui/media/MediaCarouselController.kt

@@ -172,7 +172,6 @@ class MediaCarouselController @Inject constructor(
                     // This view is inactive, let's remove this! This happens e.g when dismissing /
                     // timing out a view. We still have the data around because resumption could
                     // be on, but we should save the resources and release this.
-                    oldKey?.let { MediaPlayerData.removeMediaPlayer(it) }
                     onMediaDataRemoved(key)
                 } else {
                     addOrUpdatePlayer(key, oldKey, data)