Remove deprecated ExtractorMediaSource

PiperOrigin-RevId: 369635363

RELEASENOTES.md

@@ -85,6 +85,7 @@
         module instead.
     *   Remove `DefaultMediaSourceEventListener`. Use `MediaSourceEventListener`
         instead.
+    *   Remove `ExtractorMediaSource`. Use `ProgressiveMediaSource` instead.
     *   Remove
         `NotificationUtil.createNotificationChannel(Context, String, int, int)`.
         Use `createNotificationChannel(Context, String, int, int, int)`

library/core/src/main/java/com/google/android/exoplayer2/source/ProgressiveMediaSource.java

@@ -265,8 +265,7 @@ public final class ProgressiveMediaSource extends BaseMediaSource
   private boolean timelineIsLive;
   @Nullable private TransferListener transferListener;
 
-  // TODO: Make private when ExtractorMediaSource is deleted.
-  /* package */ ProgressiveMediaSource(
+  private ProgressiveMediaSource(
       MediaItem mediaItem,
       DataSource.Factory dataSourceFactory,
       ProgressiveMediaExtractor.Factory progressiveMediaExtractorFactory,