[PATCH] net: revert add IPv6 traffic class and flow label fields

[Morten Brørup]

> From: Thomas Monjalon [mailto:thomas at monjalon.net]
> Sent: Monday, 28 September 2026 16.15
> 
> Hello, are we waiting for a v2?

OK.
Will send a v2 with improved commit message and release notes, as suggested by Stephen's AI.

-Morten