chore(tvix/derivation): drop TODOs related to stripping outputs r/5666

Different to the go-nix implementation, we don't have a custom "writing
mode" where output paths are omitted from output, but we simply run the
serialization with these fields unpopulated (during construction).

This means, there's no need for a custom writing mode that strips
outputs, so we can drop the comments.

Change-Id: Ic0aafd4e34e0294603490cfce2b1aef4085ff34b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7845
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>

0 files changed, 0 insertions, 0 deletions