Remove myself as the primary OWNER of components/error_page/.

Bug: None
Change-Id: I6320f03659e1da209182c3b2baa4b933c2946489
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2316534Reviewed-by: Eric Roman <eroman@chromium.org>
Commit-Queue: Matt Menke <mmenke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791333}

components/error_page/OWNERS

-# Preferred reviewer.
-mmenke@chromium.org
-
 # If changing network error strings, please visit go/chrome-neterror-strings
 # (Google internal) or contact edwardjung@chromium.org and rachelis@chromium.org
 per-file error_page_strings.grdp=edwardjung@chromium.org