gfe-relnote: Remove dead code from QuicUtils::GetFirstUnidirectionalStreamId; not flag protected

PiperOrigin-RevId: 250744577
Change-Id: I5619e7ffdde58870262a8af6ff3284a69edf484b

quic/core/quic_utils.cc

diff --git a/quic/core/quic_utils.cc b/quic/core/quic_utils.cc
index a7fe40f..996e78f 100644
--- a/quic/core/quic_utils.cc
+++ b/quic/core/quic_utils.cc
@@ -479,10 +479,6 @@
     return perspective == Perspective::IS_CLIENT ? 1 : 2;
   }
   return perspective == Perspective::IS_CLIENT ? 3 : 2;
-  if (perspective == Perspective::IS_CLIENT) {
-    return version == QUIC_VERSION_99 ? 2 : 1;
-  }
-  return version == QUIC_VERSION_99 ? 3 : 2;
 }
 
 // static