Revert protocol 69 pending further discussion (#4962)

code/client/cl_net_chan.c

@@ -147,6 +147,9 @@ void CL_Netchan_Transmit( netchan_t *chan, msg_t* msg ) {
 	Netchan_Transmit( chan, msg->cursize, msg->data );
 }
 
+extern 	int oldsize;
+int newsize = 0;
+
 /*
 =================
 CL_Netchan_Process
@@ -158,8 +161,7 @@ qboolean CL_Netchan_Process( netchan_t *chan, msg_t *msg ) {
 	ret = Netchan_Process( chan, msg );
 	if (!ret)
 		return qfalse;
-
 	CL_Netchan_Decode( msg );
-
+	newsize += msg->cursize;
 	return qtrue;
 }