Remove myself from signin/sync OWNER files.

Bug: None
Change-Id: I39b0e7e6817dbba8318b7447178485a23371a77b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1782727Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: Roger Tawa <rogerta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#693128}

chrome/browser/ui/sync/OWNERS

 file://components/sync/OWNERS
 
 msarda@chromium.org
-rogerta@chromium.org
 
 # COMPONENT: Services>Sync

chrome/browser/ui/webui/signin/OWNERS

 achuith@chromium.org
 msarda@chromium.org
-rogerta@chromium.org
 xiyuan@chromium.org
 
 per-file inline_login_handler_impl*=file://chrome/credential_provider/OWNERS

components/account_id/OWNERS

 alemate@chromium.org
-rogerta@chromium.org
 xiyuan@chromium.org
 # COMPONENT: Services>SignIn

google_apis/OWNERS

-rogerta@chromium.org
 file://components/signin/OWNERS
 
 per-file BUILD.gn=*

google_apis/gaia/OWNERS

-droger@chromium.org
-msarda@chromium.org
-rogerta@chromium.org
+file://components/signin/OWNERS
 
 # Solely for the duration of the refactoring of OAuth2TokenService
 # (https://crbug.com/950159). Do not choose for any other reviews.