Remove server in connection version negotiation code.

gfe-relnote: Deprecate gfe2_restart_flag_quic_no_server_conn_ver_negotiation2.
PiperOrigin-RevId: 254442620
Change-Id: I490aa71424a9cfb0ee36d1d6a202080f41eeec2f
diff --git a/quic/core/quic_framer.h b/quic/core/quic_framer.h
index 18420f1..3a3faa1 100644
--- a/quic/core/quic_framer.h
+++ b/quic/core/quic_framer.h
@@ -76,8 +76,8 @@
   // |quic_version_|. The visitor should return true after it updates the
   // version of the |framer_| to |received_version| or false to stop processing
   // this packet.
-  virtual bool OnProtocolVersionMismatch(ParsedQuicVersion received_version,
-                                         PacketHeaderFormat form) = 0;
+  virtual bool OnProtocolVersionMismatch(
+      ParsedQuicVersion received_version) = 0;
 
   // Called when a new packet has been received, before it
   // has been validated or processed.