Revert "OWNERS files updated with latest COMPONENT and TEAMS."

This reverts commit 66a1d6a307ec311fa43eb22a9efad39427deb45a.

Reason for revert: "Component UI>Browser>ReaderMode has more than one team assigned to it"

Original change's description:
> OWNERS files updated with latest COMPONENT and TEAMS.
> 
> This is CL is generated by a script. Data is pulled from
> review conducted in Q2 2019. See https://tinyurl.com/yxau5sc4
> for context.
> 
> Please review and LGTM before July 16th or the CL will be
> submitted as-is.
> 
> TBR=charleszhao@chromium.org, noyau@chromium.org, primiano@chromium.org
> NOTRY=true
> NOPRESUBMIT=true
> 
> Bug: 977050
> Change-Id: Ibfc0305b31607fc9f379be337d4b5e310f094759
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1699955
> Reviewed-by: Charles . <charleszhao@chromium.org>
> Reviewed-by: Eric Noyau <noyau@chromium.org>
> Commit-Queue: Eric Foo <efoo@chromium.org>
> Auto-Submit: Eric Foo <efoo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#678081}

TBR=primiano@chromium.org,noyau@chromium.org,efoo@chromium.org,charleszhao@chromium.org

Change-Id: I4ec493de9747c0eb9a160014cd70284ebe8007e4
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 977050
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1704762
Reviewed-by: Greg Thompson <grt@chromium.org>
Commit-Queue: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#678196}