buffet: stop linking against libmetrics

BUG=None
TEST=emerge-amd64-generic --unmerge metrics && emerge-amd64-generic buffet
works.

Change-Id: I45d46b0a335d0d71c8dc6f57404b887d6cfe0488
Reviewed-on: https://chromium-review.googlesource.com/214756
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Tested-by: Bertrand Simonnet <bsimonnet@chromium.org>
Commit-Queue: Bertrand Simonnet <bsimonnet@chromium.org>
1 file changed
tree: ecb0d97ce35e39dae990dc63270ab282ea62463a
  1. buffet/