Remove ochang@chromium.org and inferno@chromium.org from OWNERS files

Both ochang@chromium.org and inferno@chromium.org are currently not
actively working on Chrome, and are not available for code reviews. We
agreed offline to remove them from OWNERS files until the situation
changes.

CC=​ochang@chromium.org, inferno@chromium.org

Bug: v8:12926, chromium:1334627
Change-Id: I928ff7f687da33af79632ca74de255690b2d3397
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3695318
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Reviewed-by: Mike Pinkerton <pinkerton@chromium.org>
Reviewed-by: Jonathan Metzman <metzman@chromium.org>
Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Quick-Run: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1012353}
NOKEYCHECK=True
GitOrigin-RevId: a45a3c9030db5b31d1f87e6da5a6cbc733142395
2 files changed