app-admin/rsyslog: Remove package from portage stable

This package was moved to chromiumos-overlay for customization,
so remove it from portage-stable to avoid confusion.

BUG=chromium:1128630
TEST=Confirms the plugin works correctly

Cq-Depend: chromium:2505236
Change-Id: I3f32f53ff5029177ac8e2e3b7864c647c5b501c1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2509092
Commit-Queue: Yoshiki Iguchi <yoshiki@chromium.org>
Tested-by: Yoshiki Iguchi <yoshiki@chromium.org>
Auto-Submit: Yoshiki Iguchi <yoshiki@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
9 files changed