relnote: remove insecure QUIC support

net/tools/quic/quic_dispatcher.cc

Index: net/tools/quic/quic_dispatcher.cc
diff --git a/net/tools/quic/quic_dispatcher.cc b/net/tools/quic/quic_dispatcher.cc
index 0a103ac64e1daa9df6296104b586d0cd1211b4ee..5a0a15c68c191d976a4da72b0a822ca140350183 100644
--- a/net/tools/quic/quic_dispatcher.cc
+++ b/net/tools/quic/quic_dispatcher.cc
@@ -466,8 +466,7 @@ QuicServerSession* QuicDispatcher::CreateQuicSession(
   // The QuicServerSession takes ownership of |connection| below.
   QuicConnection* connection = new QuicConnection(
       connection_id, client_address, helper_.get(), connection_writer_factory_,
-      /* owns_writer= */ true, Perspective::IS_SERVER,
-      crypto_config_->HasProofSource(), supported_versions_);
+      /* owns_writer= */ true, Perspective::IS_SERVER, supported_versions_);
 
   QuicServerSession* session =
       new QuicServerSession(config_, connection, this, crypto_config_);