Remove VersionUsesQpack() TODO.

gfe-relnote: n/a, comment-only change.
PiperOrigin-RevId: 265530329
Change-Id: Ie5822d397aac509ea2e29a5fc134245fa131b45e

quic/core/quic_versions.h

diff --git a/quic/core/quic_versions.h b/quic/core/quic_versions.h
index c9d4b29..2702c60 100644
--- a/quic/core/quic_versions.h
+++ b/quic/core/quic_versions.h
@@ -382,19 +382,14 @@
 // * QuicSpdySession instantiates a QPACK encoder and decoder;
 // * HEADERS frames (containing headers or trailers) are sent on
 //   request/response streams, compressed with QPACK;
-// * trailers must not contain :final-offset key.
+// * trailers must not contain :final-offset key,
+// * PUSH_PROMISE and PRIORITY frames are sent on the request stream,
+// * there is no headers stream.
 // If false:
 // * HEADERS frames (containing headers or trailers) are sent on the headers
 //   stream, compressed with HPACK;
-// * trailers must contain :final-offset key.
-//
-// TODO(123528590): Implement the following features and gate them on this
-// function as well, optionally renaming this function as appropriate:
-// * send PUSH_PROMISE frames on the request/response stream instead of the
-//   headers stream;
-// * send PRIORITY frames on the request/response stream instead of the headers
-//   stream;
-// * do not instantiate the headers stream object.
+// * trailers must contain :final-offset key,
+// * PUSH_PROMISE and PRIORITY frames are sent on the headers stream.
 QUIC_EXPORT_PRIVATE inline bool VersionUsesQpack(
     QuicTransportVersion transport_version) {
   const bool uses_qpack = (transport_version == QUIC_VERSION_99);