[PATCH 27/33] docs: rust: quick-start: remove Nix "unstable channel" note

[Gary Guo]

On Wed Apr 1, 2026 at 12:45 PM BST, Miguel Ojeda wrote:
> Nix does not need the "unstable channel" note, since its packages are
> recent enough even in the stable channel [1][2].
> 
> Thus remove it to simplify the documentation.
> 
> Link: https://search.nixos.org/packages?channel=25.11&query=rust [1]
> Link: https://search.nixos.org/packages?channel=25.11&query=bindgen [2]
> Signed-off-by: Miguel Ojeda <ojeda at kernel.org>

Reviewed-by: Gary Guo <gary at garyguo.net>

> ---
>  Documentation/rust/quick-start.rst | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)