[owners] Remove qingsi@webrtc.org from p2p/OWNERS

This suggested change is automatically generated based on commit
and review activity to improve the reliability of OWNERS suggestions
and CL review latency.

If this change is unnecessary or in error, vote the lowest CR value
(i.e. reject the CL) and the bot will abandon it. Vote the highest CR to
approve this change. You may also abandon this change.
If no CR -1 vote is set after 5 days, the CL will be submitted.
OWNERS expectations for the chromium project are at:
https://chromium.googlesource.com/chromium/src/+/refs/heads/main/docs/code_reviews.md#expectations-of-owners

See the owner's recent activity for context:
https://webrtc-review.googlesource.com/q/qingsi@webrtc.org

To report an issue, file a bug in the Infra>Codereview component.

No-try: True
Bug: webrtc:442549410
Change-Id: Ifa2ef4234ee0790af02417b4ca1fab442df1c5e9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/413941
Auto-Submit: Owners Cleanup <swarming-tasks@owners-cleanup-prod.google.com.iam.gserviceaccount.com>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#45824}