Revert Copybara config to avoid error when syncing the dev-v2 branch.

PiperOrigin-RevId: 327013751

RELEASENOTES.md

@@ -112,8 +112,6 @@
         `ControlDispatcher`
         `ControlDispatcher`
         ([#6926](https://github.com/google/ExoPlayer/issues/6926)).
         ([#6926](https://github.com/google/ExoPlayer/issues/6926)).
     *   Add Guava dependency.
     *   Add Guava dependency.
-    *   Add MetadataRetriever API to retrieve the static metadata of a media
-        item ([#3609](https://github.com/google/ExoPlayer/issues/3609)).
 *   Video: Pass frame rate hint to `Surface.setFrameRate` on Android R devices.
 *   Video: Pass frame rate hint to `Surface.setFrameRate` on Android R devices.
 *   Audio:
 *   Audio:
     *   Add a sample count parameter to `MediaCodecRenderer.processOutputBuffer`
     *   Add a sample count parameter to `MediaCodecRenderer.processOutputBuffer`