fix: remove more field

We no longer need it now that we keep reading till the stream closes.

p2p/protocol/identify/id.go

@@ -464,7 +464,6 @@ func (ids *IDService) writeChunkedIdentifyMsg(c network.Conn, snapshot *identify
 		return writer.WriteMsg(mes)
 	}
 	mes.SignedPeerRecord = nil
-	mes.More = true
 	if err := writer.WriteMsg(mes); err != nil {
 		return err
 	}

p2p/protocol/identify/pb/identify.proto

@@ -2,8 +2,6 @@ syntax = "proto2";
 
 package identify.pb;
 
-import "github.com/gogo/protobuf/gogoproto/gogo.proto";
-
 message Delta {
   // new protocols now serviced by the peer.
   repeated string added_protocols = 1;
@@ -39,11 +37,6 @@ message Identify {
   // a delta update is incompatible with everything else. If this field is included, none of the others can appear.
   optional Delta delta = 7;
 
-  // more is set to true by a peer to indicate to the receiver that the signed record is absent in the current message
-  // and the peer should read the next message from the stream to fetch it.
-  // This is done because messages with signed records can exceed the legacy message size of 2K bytes.
-  optional bool more = 9 [(gogoproto.nullable) = false];
-
   // signedPeerRecord contains a serialized SignedEnvelope containing a PeerRecord,
   // signed by the sending node. It contains the same addresses as the listenAddrs field, but
   // in a form that lets us share authenticated addrs with other peers.