Remove unused local variable.

gfe-relnote: n/a.  No functional change.
PiperOrigin-RevId: 243832235
Change-Id: Ibf15e3ecbb8df5a615d18e980cff7b9e27de14ce

quic/core/quic_stream.cc

diff --git a/quic/core/quic_stream.cc b/quic/core/quic_stream.cc
index a3a63cd..4fba898 100644
--- a/quic/core/quic_stream.cc
+++ b/quic/core/quic_stream.cc
@@ -441,7 +441,6 @@
     return;
   }
 
-  QuicConsumedData consumed_data(0, false);
   fin_buffered_ = fin;
 
   bool had_buffered_data = HasBufferedData();