[CfM-R120] linuxptp: Remove from overlay

This package contains known vulnerabilities and
is no longer needed.

BUG=b:313774102
TEST=CQ

Change-Id: I16dc0545adbf7c5b9f61e759c855e58a78346fd5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/5190746
Commit-Queue: Niko Tsirakis <ntsirakis@google.com>
Tested-by: Niko Tsirakis <ntsirakis@google.com>
Reviewed-by: Pablo Ceballos <pceballos@chromium.org>
(cherry picked from commit b40dbe714ae4310a80262991beeab3bd84437ca6)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/5274642
Auto-Submit: Richard Yeh <rcy@google.com>
Tested-by: Richard Yeh <rcy@google.com>
Owners-Override: Richard Yeh <rcy@google.com>
Commit-Queue: Pablo Ceballos <pceballos@chromium.org>
4 files changed