bugfix in serialization of incoming messages in redis

pb/messages.proto

@@ -76,7 +76,6 @@ message ContactCard {
 
 // structure for sending a message to be forwarded to another user in protobuf format
 message PackedUserMessage {
-	//string from = 1; // the client identity public key as known by the destination peer // remove, limit server tracking
 	string destination=1; // the peer's current conversation lookup public key
     bytes payload=2;  // the message UserMessage encrypted with the destination peer's public key
 	bytes signature=3; // the payload signature with the client identity private key