libmetrics: remove version 242728

BUG=chromium:375032
TEST=Trybot runs on paladin, release and chromiumos-sdk builders.

Change-Id: I661a5646c37f43e92c6666790b11a4cc8451ee05
Reviewed-on: https://chromium-review.googlesource.com/201004
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
2 files changed