remove jif@ as owner of clipboard_provider.*

Change-Id: If23456e82fc5ffb2d298f27f9282455ead9e92ff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1893145Reviewed-by: Jean-François Geyelin <jif@chromium.org>
Reviewed-by: Justin Donnelly <jdonnelly@chromium.org>
Commit-Queue: Gang Wu <gangwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#712197}

components/omnibox/browser/OWNERS

-per-file clipboard_provider.*=jif@chromium.org
-
-# COMPONENT: UI>Browser>Omnibox