path: remove obsolete comment

Remove commented-out code that is leftover from a refactoring.

PR-URL: #17023
Reviewed-By: Refael Ackermann <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Anatoli Papirovski <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Lance Ball <[email protected]>

Author: Trott

lib/path.js

@@ -504,7 +504,6 @@ const win32 = {
     // This means that the user can use join to construct UNC paths from
     // a server name and a share name; for example:
     //   path.join('//server', 'share') -> '\\\\server\\share\\')
-    //var firstPart = paths[0];
     var needsReplace = true;
     var slashCount = 0;
     var code = firstPart.charCodeAt(0);