Revert "Add comment to bnc in net/OWNERS."

This reverts commit 68c22826.

Reason for revert:
This breaks PRESUBMIT.py / the chromium-presubmit bot.
Unclear why this was able to pass those checks while landing,
but now new tryjobs on top of this are failing.

Original change's description:
> Add comment to bnc in net/OWNERS.
> 
> See https://crrev.com/c/1704282 for context.
> 
> Change-Id: Ifcfd3b7b9b7867176a90a092056f453fb74124c7
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1736692
> Auto-Submit: Bence Béky <bnc@chromium.org>
> Reviewed-by: Ryan Hamilton <rch@chromium.org>
> Commit-Queue: Ryan Hamilton <rch@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#683980}

TBR=rch@chromium.org,bnc@chromium.org

Change-Id: I7398c0c42f872f747e6be40fe7ed3bcf08ef028f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1737007Reviewed-by: Aaron Gable <agable@chromium.org>
Commit-Queue: Aaron Gable <agable@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684000}

net/OWNERS

 agl@chromium.org
 asanka@chromium.org
-bnc@chromium.org  # for QUICHE rolls only
+bnc@chromium.org
 davidben@chromium.org
 ericorth@chromium.org
 eroman@chromium.org