debugger: remove undefined parameter

The data parameter of unpackError() is typically undefined.

PR-URL: #39570
Refs: https://github.com/nodejs/node-inspect/issues/101
Reviewed-By: Jan Krems <jan.krems@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

lib/internal/debugger/inspect_client.js

@@ -40,8 +40,8 @@ const kMaskingKeyWidthInBytes = 4;
 // https://tools.ietf.org/html/rfc6455#section-1.3
 const WEBSOCKET_HANDSHAKE_GUID = '258EAFA5-E914-47DA-95CA-C5AB0DC85B11';
 
-function unpackError({ code, message, data }) {
-  const err = new ERR_DEBUGGER_ERROR(`${message} - ${data}`);
+function unpackError({ code, message }) {
+  const err = new ERR_DEBUGGER_ERROR(`${message}`);
   err.code = code;
   ErrorCaptureStackTrace(err, unpackError);
   return err;