Remove EncodedFrame::inter_layer_predicted.

Bug: webrtc:12206
Change-Id: I52246e81aa9a814fc211df19fbe27aff197a85b7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/196743
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32815}
diff --git a/api/video/encoded_frame.h b/api/video/encoded_frame.h
index 85eb674..6a2b1f8 100644
--- a/api/video/encoded_frame.h
+++ b/api/video/encoded_frame.h
@@ -79,8 +79,6 @@
   // many |references|.
   size_t num_references = 0;
   int64_t references[kMaxFrameReferences];
-  // TODO(bugs.webrtc.org/12206) Remove after downstream has been updated.
-  bool inter_layer_predicted = false;
   // Is this subframe the last one in the superframe (In RTP stream that would
   // mean that the last packet has a marker bit set).
   bool is_last_spatial_layer = true;