Drop unused i2c functionality

We mostly use just the smbios functionality, so drop the I2C things.

BUG=chromium:990438
TEST=emerge-sarien -q mosys

Change-Id: I45786b927229b953f2d5dd180e12aa482da0da9c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/mosys/+/1830321
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: Jack Rosenthal <jrosenth@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Commit-Queue: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
2 files changed