Remove completed TODO's.

gfe-relnote: comment only change. Not protected.
PiperOrigin-RevId: 261409711
Change-Id: I84248b6b02d17330426cd5ae3177d1b18e18f4e2

quic/core/http/quic_spdy_stream.h

diff --git a/quic/core/http/quic_spdy_stream.h b/quic/core/http/quic_spdy_stream.h
index cc873bb..7279386 100644
--- a/quic/core/http/quic_spdy_stream.h
+++ b/quic/core/http/quic_spdy_stream.h
@@ -143,12 +143,10 @@
 
   // Does the same thing as WriteOrBufferBody except this method takes iovec
   // as the data input. Right now it only calls WritevData.
-  // TODO(renjietang): Write data frame header before writing body.
   QuicConsumedData WritevBody(const struct iovec* iov, int count, bool fin);
 
   // Does the same thing as WriteOrBufferBody except this method takes
   // memslicespan as the data input. Right now it only calls WriteMemSlices.
-  // TODO(renjietang): Write data frame header before writing body.
   QuicConsumedData WriteBodySlices(QuicMemSliceSpan slices, bool fin);
 
   // Marks the trailers as consumed. This applies to the case where this object